BTS3900(A) GSM V300R008 Commissioning Guide Issue 02 Date 2009-04-20 Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. For any assistance, please contact our local office or company headquarters. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website: http://www.huawei.com Email: support@huawei.com Copyright © Huawei Technologies Co., Ltd. 2009. All rights reserved.
BTS3900(A) GSM Commissioning Guide Contents Contents About This Document.....................................................................................................................1 1 Changes in BTS3900(A) GSM Commissioning Guide.......................................................1-1 2 General Requirements for the Commissioning...................................................................2-1 2.1 Commissioning Resources.......................................................................
BTS3900(A) GSM Commissioning Guide Contents 5.2.2 Configuring the Boards of the BTS on the SMT...................................................................................5-7 5.2.3 Configuring Logical Objects of the BTS on the SMT.........................................................................5-11 5.3 Checking the Active Software Version on the SMT.....................................................................................5-23 5.
BTS3900(A) GSM Commissioning Guide Figures Figures Figure 3-1 Commissioning procedure (transmission available)...........................................................................3-2 Figure 3-2 Commissioning procedure (transmission unavailable).......................................................................3-4 Figure 4-1 Login dialog box of the BSC6000 Local Maintenance Terminal.......................................................4-2 Figure 4-2 BSC Management dialog box ....................
BTS3900(A) GSM Commissioning Guide Figures Figure 5-2 Communication failed dialog box...................................................................................................... 5-4 Figure 5-3 Set Communication Port Parameter dialog box................................................................................. 5-5 Figure 5-4 Warning message for obtaining the site management right................................................................5-6 Figure 5-5 Site Management Right dialog box.
BTS3900(A) GSM Commissioning Guide Figures Figure 6-12 Status of the disconnected TRX ring topology...............................................................................6-17 Figure 6-13 Split RXU Chain dialog box...........................................................................................................6-17 Figure 6-14 Splitting RXU chain successfully...................................................................................................
BTS3900(A) GSM Commissioning Guide Tables Tables Table 2-1 Tools required for the commissioning of the BTS3900/BTS3900A...................................................2-2 Table 3-1 Commissioning procedure (transmission available)............................................................................3-2 Table 3-2 Commissioning procedure (transmission unavailable)........................................................................3-5 Table 4-1 Monitoring boards of the BTS3900 and the BTS3900A...
BTS3900(A) GSM Commissioning Guide About This Document About This Document Overview This document describes the procedures for commissioning and verifying the BTS3900/ BTS3900A GSM after it is installed. The commissioning and verification procedures ensure that the BTS3900/BTS3900A GSM operates as required. The BTS3900/BTS3900A commissioning scenarios include the transmission available scenario and transmission unavailable scenario.
BTS3900(A) GSM Commissioning Guide About This Document 4 Commissioning the BTS (Transmission Available) This describes how to commission the BTS when the transmission cable between the BSC and the BTS is properly connected. 5 Commissioning the BTS (Transmission Unavailable) This describes how to commission the BTS in the transmission unavailable scenario. The commissioning of the BTS consists of two phases.
BTS3900(A) GSM Commissioning Guide About This Document The general conventions that may be found in this document are defined as follows. Convention Description Times New Roman Normal paragraphs are in Times New Roman. Boldface Names of files, directories, folders, and users are in boldface. For example, log in as user root. Italic Book titles are in italics. Courier New Examples of information displayed on the screen are in Courier New.
BTS3900(A) GSM Commissioning Guide About This Document Format Description Key Press the key. For example, press Enter and press Tab. Key 1+Key 2 Press the keys concurrently. For example, pressing Ctrl+Alt +A means the three keys should be pressed concurrently. Key 1, Key 2 Press the keys in turn. For example, pressing Alt, A means the two keys should be pressed in turn. Mouse Operations The mouse operations that may be found in this document are defined as follows.
BTS3900(A) GSM Commissioning Guide 1 Changes in BTS3900(A) GSM Commissioning Guide 1 Changes in BTS3900(A) GSM Commissioning Guide This describes the changes in the “BTS3900(A) GSM Commissioning Guide”. 02(2009-04-20) Second commercial release Compared with issue 01 (2009-02-16) of V300R008, no contents are deleted. The changes are as follows: The solution to trouble is added. For details, see 5.2.3 Configuring Logical Objects of the BTS on the SMT, 4.2.
BTS3900(A) GSM Commissioning Guide 2 General Requirements for the Commissioning 2 General Requirements for the Commissioning About This Chapter The general requirements for the commissioning are the commissioning prerequisites and commissioning resources. 2.1 Commissioning Resources Before the commissioning, you must arrange for the tools, obtain the information about the site to be commissioned, and download the correct software for the boards in the BTS3900/ BTS3900A. 2.
BTS3900(A) GSM Commissioning Guide 2 General Requirements for the Commissioning 2.1 Commissioning Resources Before the commissioning, you must arrange for the tools, obtain the information about the site to be commissioned, and download the correct software for the boards in the BTS3900/ BTS3900A. Tools Table 2-1 describes the tools and instruments required for the commissioning. Table 2-1 Tools required for the commissioning of the BTS3900/BTS3900A Tools Qua ntity Specification PC 1 Optional.
BTS3900(A) GSM Commissioning Guide 2 General Requirements for the Commissioning Tools Qua ntity Specification Serial port cable 1 Optional. The serial port cable is used when you query the IP address of the board on the BTS side. The auxiliary cables are listed as follows: Flat-head screwdriver 1 l One commissioning cable connected to the serial Ethernet port l One extended serial port cable Optional.
2 General Requirements for the Commissioning BTS3900(A) GSM Commissioning Guide l The BTS3900/BTS3900A is powered on. For details, see Powering On the BTS3900A or Powering On the BTS3900. l The BSC is installed. The system commissioning is complete, and the system is running normally. Software Requirements l 2-4 The data of the BTS3900/BTS3900A is configured on the BSC. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM Commissioning Guide 3 Commissioning Procedure 3 Commissioning Procedure This describes the commissioning procedure of the BTS. According to the transmission situation between the BSC and BTS, the commissioning procedure of the BTS can be classified into two types: commissioning procedure in transmission available scenario and commissioning procedure in transmission unavailable scenario.
BTS3900(A) GSM Commissioning Guide 3 Commissioning Procedure Figure 3-1 Commissioning procedure (transmission available) Run Remote operation Run the BSC LMT Check the Transmission and Networking Check the software version and the data configuration Check the alarm information of the BTS Cooperation of Commission the BTS services local and remote operation Check the BTS environment alarms End Table 3-1 Commissioning procedure (transmission available) No.
BTS3900(A) GSM Commissioning Guide 3 Commissioning Procedure No. Mandat ory/ Optiona l 2 Check the transmission and networking to ensure that the transmission between the BBU and BSC, BBU and RFU, cascaded BBUs, and cascaded RFUs is normal. For details, see 4.2 Checking the Transmission and Networking. Mandato ry 3 Check the software version and configuration data. For details, see 4.3 Checking Software Version and Data Configuration. Mandato ry 4 Check the alarm information of the BTS.
BTS3900(A) GSM Commissioning Guide 3 Commissioning Procedure Figure 3-2 Commissioning procedure (transmission unavailable) Run Local operation before the transmission is available Run the Site Maintenance Terminal Configure the basic data of the site Check the active software version Check the transmission between the BBU and the RFU locally Check the operation of the BTS Check the hardware connections of the BTS Wait till the transmission is available Remote operation after the transmission is availab
BTS3900(A) GSM Commissioning Guide 3 Commissioning Procedure Table 3-2 Commissioning procedure (transmission unavailable) No. 1 Operation Procedure Run the Site Maintenance Terminal. For details, see 5.1 Starting the Site Maintenance Terminal. Mandato ry Configure the basic data of the BTS such as boards of the BTS and logical objects of the site to ensure that the SMT can support the local commissioning tasks. For details, see 5.2 Configuring the Basic Data of the BTS.
BTS3900(A) GSM Commissioning Guide 3 Commissioning Procedure No. Operation Procedure Mandat ory/ Optiona l 11 Check the alarm information of the BTS. For details, see 4.4 Checking the Alarm Information of the BTS (on the LMT). Mandato ry 12 Perform the channel loopback test on the LMT to ensure the normal operation of the signaling channel and service channel. For details, see 6.2 Performing the Loopback Test. Optional Commission the CS services and PS services. For details, see 4.
BTS3900(A) GSM Commissioning Guide 4 4 Commissioning the BTS (Transmission Available) Commissioning the BTS (Transmission Available) About This Chapter This describes how to commission the BTS when the transmission cable between the BSC and the BTS is properly connected. 4.1 Starting the LMT You can directly log in to the LMT, or log in to the LMT through the M2000 client. 4.2 Checking the Transmission and Networking This describes how to check the transmission and networking.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide 4.1 Starting the LMT You can directly log in to the LMT, or log in to the LMT through the M2000 client. Context CAUTION Do not modify the system time when the LMT application is running. Otherwise, critical errors may occur on the system. If you have to modify the server time, stop the LMT application first. The default user name and password for the first login are both admin.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-2 BSC Management dialog box l 3. Type the IP address of the BSC, the name of the BSC, and the remarks (optional) in corresponding fields. Then, click Add. 4. Click Close to return to the Login dialog box, as shown in Figure 4-1. 5. Type the user name and the password in the Name and Password text boxes. Select the BSC name from the BSC Name drop-down list, and set User Type to Local User. Then, click OK.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide 2. Enter user name in User Name, enter the password in Password, and enter IP address of the server in Server. Click Login. 3. In the iManager M2000 Mobile Element Management System window, choose Topology > Main Topology, as shown in Figure 4-4. Main Topology is displayed on the left side of the dialog box. Figure 4-4 iManager M2000 Mobile Element Management System window 4.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) 4.2.3 Checking the Transmission Between BTSs in Ring Topology This describes how to check the transmission between BTSs in ring topology. The following description is based on three BTSs in ring topology. 4.2.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Figure 4-5 Check whether the link between the BBU and the BSC is normal l Check whether the RSL link between the BBU and the RFU is normal. If the state of the RSL link is normal, the BBU is properly connected to the RFU, as shown in Figure 4-6. Figure 4-6 Check whether the link between the BBU and the RFU is normal 4.2.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Context Figure 4-7 shows the cascaded BTSs in the BSC6000 Local Maintenance Terminal window. Figure 4-7 Cascaded BTSs on the LMT Procedure Step 1 Check whether cascaded BTSs are configured on the LMT. If... Then... Cascaded BTSs are configured Go to Step 2. Cascaded BTSs are not configured See the BSC Initial Configuration Guide to configure the BTSs.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Figure 4-8 Site Device Panel tab page Step 3 On the BTS side, check the physical connection between the BBU of the level 1 BTS and BBU of the level 2 BTS. Normally, the T1 of the first E1/T1 of the level 2 BTS should be connected to the R2 of the second E1/T1 of the level 1 BTS, and the R1 of the first E1/T1 of the level 2 BTS should be connected to the T2 of the second E1/T1 of the level 1 BTS.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-9 Connection between ring topology BTSs A B C BTS0 BSC l BTS1 BTS2 D In this document, set the forward port to port 0 and reverse port to port 1. Procedure Step 1 Check whether of BTSs in ring topology are configured on the LMT. If... Then... The ring topology is configured Go to Step 2. The ring topology is not configured Configure the ring topology.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Figure 4-11 Confirm dialog box 2. ClickYes, the Switchover Success dialog box is displayed. The level 2 BTS and level 3 BTS reset automatically. 3. After the level 2 and level 3 BTS are reset, query the information about the ring topology of the level 2 and level 3 BTSs. Figure 4-12 shows the query result.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) CAUTION In normal situations, after Step 4 or Step 5 is performed, the cascaded BTSs will automatically switch over to the forward link. If the BTSs fail to switch over to the forward link automatically, check the connections of the transmission cables, for example, the connections of the TX and RX ends of the E1 cable. ----End 4.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Figure 4-14 Site Device Panel tab page Step 2 Check the status of boards: The green color indicates that the board is Normal. The red color indicates that the board is Faulty. The white color indicates that the board is Passive, that is, the board has no input power. Step 3 Check the board status further: Right-click the board to be queried, and then choose Query Board Information from the shortcut menu.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-15 Query Board Information dialog box Step 4 Check whether Board State is Actively Normal in the Query Board Information dialog box. If the status is Faulty, go to Step 5 to check the alarm information. Step 5 See 4.4 Checking the Alarm Information of the BTS (on the LMT) to check the alarm information and clear the alarm according to the BSS Alarm Reference. ----End 4.3.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Figure 4-16 Query Board Running Software Version dialog box Step 3 If the software version is correct, end this task. If the software version is incorrect, update the software version through the loading and activation function of the LMT. For details, see the BSC LMT User Guide. ----End 4.3.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-17 Relation between data configuration and physical connection of the BTS3900 monitoring boards Monitoring Port Relation Between Data Configuration and Physical on the GTMU Connection – Issue 02 (2009-04-20) MON0 In subrack 2, the DEMU in slot 0, DPMU in slot 2, FMUs in slot 8 and 9, and GATM in slot 16 are all connected to the MON0 port on the GTMU physically.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Figure 4-18 Relation between data configuration and physical connection of the BTS3900A monitoring boards Monitoring Port Relation Between Data Configuration and Physical on the GTMU Connection MON0 In subrack 2, the DEMU in slot 0, DPMU or APMU in slot 2, DTCU in slot 6, FMUs or FMUAs in slot 8 and 9, and GATM in slot 16 are all connected to the MON0 port on the GTMU physically.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-19 Site Device Panel tab page Step 3 Check board status further: Right-click the board to be queried, and then choose the Query Board Information dialog box from the shortcut menu. The Query Board Information dialog box is displayed. Step 4 Check whether the Board State is Active Normal in the Board Information tab page, as shown in Figure 4-20.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-20 Query Board Information dialog box TIP If... Then... The number of BBUs installed is different from the number of BBUs configured The system reports E1 Local Alarm. More RFUs are installed than those configured The system reports SFP Port Inconsistency Alarm. Fewer RFUs are installed than those configured The system reports SFP Port Inconsistency Alarm and TRX Communication Alarm.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) If... Then... A board other than the BBU and RFU is installed but not configured No alarm is reported. ----End 4.4 Checking the Alarm Information of the BTS (on the LMT) This describes how to check the alarm information of the BTS on the BSC6000 Local Maintenance Terminal. If an alarm is generated, you need clear the alarm based on the suggestions in the BSS Help System.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-21 Site Device Panel tab page If... Then... No alarm is generated Repeat 1 to check the alarm information of other BTSs. An alarm is generated Go to 2. Check the alarm generated on this BTS through Alarm Maintenance. Clear the alarm based on the troubleshooting suggestions. Step 2 Alarm maintenance: Check the alarms of the BTS. 4-20 1. Choose Alarm Maintenance > Browse Alarm.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-22 Filter Alarm Condition dialog box 3. Choose the Site to be queried, and click OK. 4. Double-click an alarm. The Alarm Detail Information dialog box is displayed, as shown in Figure 4-23. Figure 4-23 Alarm Detail Information dialog box Issue 02 (2009-04-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
4 Commissioning the BTS (Transmission Available) 5. BTS3900(A) GSM Commissioning Guide Click Alarm Detail, and the BSS Help System is displayed, as shown in Figure 4-24. Handle the alarm according to the BSS Alarm Reference. Figure 4-24 BSS Help System ----End 4.5 Commissioning the BTS Services This describes how to use an MS to test whether the BTS supports CS services and PS services.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) 4.5.1 Testing the CS Services This describes how to test the CS services by making test calls between two MSs or between an MS and a PSTN phone. Prerequisite l Two test MSs which support GSM are registered with the HLR. l The logical cells to be checked are activated. l The BSC functions properly. Procedure Step 1 Power on one test MS, and check that the MS automatically searches for the GSM network. If... Then...
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Figure 4-25 Modify Administrative State dialog box 2. Change the status of all the TRX TCHs in the cell from Unlocked to Locked. If the operation succeeds, the Succeeded in modifying the administrative state. message is displayed in the Operation Result area. 3. Lock the testing MS on a specific frequency. Change the state of one or two TCHs on the frequency from Locked to Unlocked.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) If... Then... Mobile-originated call succeeds 1. Check the LEDs and alarms. If an alarm is generated on the BTS side, clear the alarm. 2. If an alarm is generated on the BSC side, contact BSC technical support engineers to handle it. 3. After the fault is rectified, go to Step 1 to test the CS services for another time.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Procedure Step 1 Activate the GPRS or EGPRS data service with the MS. Then, commission PS services through multi-service testing. The PS service test involves sending multimedia message, browsing websites, and downloading files. Step 2 Check whether the MS can successfully send multimedia messages, browse webpages, and download files. If... Then...
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) NOTE l Critical alarm: devices or resources may be unusable, and restoration should be performed at once. l Major alarm: The QoS of devices or resources severely deteriorates, and measures should be taken as soon as possible. l The thresholds of temperature alarm and humidity alarm are subject to the local climate and terrain conditions and should be specified on the basis of the field requirements.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Door Status Alarm The door status alarm is an environment alarm generated when the door of the equipment room or the door of the cabinet is opened. This is a major alarm. Burglar Alarm The burglar alarm is generated when the infrared alarm or door status alarm occurs. This is a critical alarm. 4.6.2 Checking the Environment Monitoring Alarms on the LMT This describes how to check the environment monitoring alarms.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Alarm switch enabled and alarm switch valid level are required to be noted when checking the Boolean alarm both on the SMT and the LMT. The following part takes the Door Open Alarm of the DEMU as an example to describe the procedure for testing the Boolean alarm. NOTE 1.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Figure 4-26 Basic Attributes of Site Board (1) 6. 4-30 Click Special Alarm Switch Valid Level Configuration in the Basic Attributes of Site Board dialog box. Check whether the configuration of the Gate Magnetism(Low Level) is consistent with the actual alarm switch valid level of the Gate Magnetism, as shown in Figure 4-27.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) Figure 4-27 Basic Attributes of Site Board (2) 7. l When the checking is complete, check whether the Door Open Alarm can be reported normally by opening the cabinet door of the BTS and be cleared normally by closing the cabinet door of the BTS. – If the alarm can be reported and cleared normally, end the checking task. – If the alarm cannot be reported, reconnect the related monitoring signal cable.
4 Commissioning the BTS (Transmission Available) BTS3900(A) GSM Commissioning Guide Panel tab page and choose Query Board Information. The Query Board Information dialog box is displayed. (2) Click the Running Parameter tab, and then click Query on the Running Parameter tab. The query is successful, and the running status of the board is displayed in the dialog box. The current Environment Temperature is 28.0℃, as shown in Figure 4-28. Figure 4-28 Query Board Information dialog box 2.
BTS3900(A) GSM Commissioning Guide 4 Commissioning the BTS (Transmission Available) (4) Click Configure Site Board Attributes tab. Then set Board Parameter Configuration Enabled to Yes and set High Temperature Alarm Threshold to 25.0, as shown in Figure 4-29. Figure 4-29 Basic Attributes of Site Board (3) (5) Click OK to complete the setting of the temperature alarm threshold. 3. Check the alarm information of the DTCU. For details, see 4.4 Checking the Alarm Information of the BTS (on the LMT).
BTS3900(A) GSM Commissioning Guide 5 5 Commissioning the BTS (Transmission Unavailable) Commissioning the BTS (Transmission Unavailable) About This Chapter This describes how to commission the BTS in the transmission unavailable scenario. The commissioning of the BTS consists of two phases. In the initial phase of the commissioning, the transmission cable between the BSC and the BTS is not properly connected. Commission the BTS at the local end.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide 5.1 Starting the Site Maintenance Terminal This describes how to start the SMT. To start the SMT, you need to set the IP address of the SMT PC, connect the SMT PC to the BTS, and then log in to the SMT. 5.1.1 Setting the IP Address of the Site Maintenance Terminal PC This describes how to set the IP address of the SMT PC to the same network segment as the IP address (192.168.0.72/255.255.255.0) of the BTS. 5.1.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) 5.1.2 Locally Connecting the SMT PC to the BTS This describes how to connect the Site Maintenance Terminal (SMT) PC to the ETH port on the main control module of the BTS through an Ethernet cable. After they are connected, you can operate and maintain the BTS on the SMT. Prerequisite The IP address and subnet mask of the SMT PC are set correctly. The IP address is in the same network segment as the IP address (192.168.
5 Commissioning the BTS (Transmission Unavailable) l BTS3900(A) GSM Commissioning Guide The latest software of the SMT is installed in the SMT PC. Procedure Step 1 Start the SMT. l If the SMT PC communicates with the BTS normally, a window is displayed, as shown in Figure 5-1. The SMT is successfully started. l If the SMT PC cannot communicate with the BTS, the Communication failed dialog box is displayed, as shown in Figure 5-2. Go to Step 2.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) The Set Communication Port Parameter dialog box is displayed, as shown in Figure 5-3. Figure 5-3 Set Communication Port Parameter dialog box Step 3 In the Select Communication Port area, click Network Port. In the Configure IP area, set the IP address to 192.168.0.72. Step 4 Click OK. The Site Maintenance Terminal System window is displayed, as shown in Figure 5-1.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide 5.2.1 Obtaining the Site Management Rights This describes how to obtain the site management rights. Before configuring the BTS board and site logical objects, you must obtain the site management rights after logging into the BTS at the local end. Prerequisite You have logged in to the BTS successfully through the SMT.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Step 4 Click Close to close the Site Management Right dialog box. CAUTION After the commissioning task in the transmission unavailable scenario is complete, you should release the site management rights. Otherwise, the BTS cannot be monitored on the LMT in fifteen minutes. The procedure for releasing the site management rights is as follows: Click Release in the Site Management Right dialog box.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide Figure 5-6 Board Configuration window NOTE In the transmission unavailable scenario, no site information is configured, thus, there is only the GTMU in the Board Configuration window. The status of the GTMU is Active abnormal. Step 3 Double-click GTMU. The Topology Configuration window is displayed, as shown in Figure 5-7. Figure 5-7 Topology Configuration window Step 4 Click Add RRU.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-8 Deploy DRRU dialog box NOTE Card Type refers to the DRRU, DRFU, MRRU, GRRU, MRFU, or GRFU. The card number starts from 0 in sequence. The SFP number ranges from 0 to 5 and each number refers to the SFP port where the board is configured. The hop number ranges from 1 to 6 and each number refers to the level of the TRXs under the same SFP number. Step 5 ClickOK. The configuration of the RF module is complete.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide Figure 5-10 Board Configuration window Step 7 Set the parameters: On the SMT, the parameter of DEMU cannot be set. The parameters of DEMU and DPMU are set by default, therefore, no parameter setting is required. Step 8 Configure the APMU: The APMU is added for the BTS3900A GSM. Perform the following steps to configure the new types of APMU, such as APM100 and APM30. 5-10 1. Click Board in the navigation pane.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-11 Parameter Management dialog box Step 9 Click Close to end the board configuration of the BTS. ----End 5.2.3 Configuring Logical Objects of the BTS on the SMT This describes how to configure logical objects of the BTS. The BTS logical object configuration consists of the cell configuration, carrier binding, and activation of cell configuration data.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide Figure 5-12 Site Configuration dialog box (1) Step 2 Click Site0, and then click Add Subobject. In the Object Attributes area, specify Object No. and Object Name. In the Object Operation area, Cell0 is added, as shown in Figure 5-13. 5-12 Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-13 Site Configuration dialog box (2) Step 3 Bind the carrier. Click Cell0, and select the TRX to be configured in the Boardtype drop-down list box. Set the board type to DRFU, as shown in Figure 5-14. Issue 02 (2009-04-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide Figure 5-14 Site Configuration dialog box (3) Step 4 Click Add Subobject. In the Object Attributes area, specify Object No., Object Name, Board No., and Pass No.. Carrier0 is added in the Object Operation area. The carrier is bound to pass 0 of the TRX whose board number is 0, as shown in Figure 5-15. Pass 0 is also called carrier A. The number of paths at an RFU depends on the number of carriers configured for the RFU.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-15 Site Configuration dialog box (4) Step 5 Configure the second carrier: Set Object Name to Carrier1, Board No. to 0, and Pass No. to 1, as shown in Figure 5-16. The DRFU 0 is configured with two carriers. Issue 02 (2009-04-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide Figure 5-16 Site Configuration dialog box (5) 5-16 Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) NOTE l The procedure for adding carriers for other TRX boards is the same as adding carrier for the DRFU. l The GRFU can be configured with 6 carriers, that is, there are 6 pass numbers ranging from 0 to 5 for the same board number. The GRRU can be configured with 8 carriers, that is, there are 8 numbers ranging from 0 to 7 for the same board number. l The GRRU has two tributaries: tributary A and tributary B.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide Figure 5-18 Site Configuration dialog box (6) Step 7 Close the dialog box. The configured cell is displayed in the navigation pane, as shown in Figure 5-19. The data is configured but not activated. To activate the data, go to Step 8. 5-18 Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-19 Configured cell and channels Step 8 Choose Site0 > Site Opstart > OK. The Site Opstart dialog box is displayed, as shown in Figure 5-20. If... Then... Site Opstart successfully. is displayed Click close to perform the next step. Site startup fails 1. Repeat Step 8. If the operation succeeds, go to Step 9. If the operation still fails, go to 8.2. 2.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-20 Site Opstart dialog box Step 9 Choose Cell0 > Cell Opstart > OK. The Cell Opstart dialog box is displayed, as shown in Figure 5-21. If... Then... Cell Opstart successfully. is displayed Click close to perform the next step. Cell startup fails See Step 8 for further operation. Figure 5-21 Cell Opstart dialog box Step 10 The site configuration takes effect.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) If... Then... BT Opstart successfully. is displayed Click close to perform the next step. BT startup fails See Step 8 for further operation. Figure 5-22 BT Opstart dialog box Step 12 Choose RC0 > RC Attributes Management. Specify frequency in ARFCN, and click Set. Getting RC attributes succeeded is displayed. Click Close. Repeat the procedure of Step 12 to set the frequencies of other TRXs.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Step 13 Choose RC0 > RC Opstart > OK. The RC Opstart dialog box is displayed, as shown in Figure 5-24. If... Then... RC Opstart successfully. is displayed Click Close. Repeat Step 13 to make the frequency settings of other RCs take effect. RC startup fails See Step 8 for further operation. Figure 5-24 RC Opstart successfully dialog box Step 14 SFP Port Inconsistency Alarm is cleared.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) ----End 5.3 Checking the Active Software Version on the SMT This describes how to check the software versions of the boards and modules in the BTS in the Site Maintenance Terminal System window. Procedure Step 1 In the left pane of the Site Maintenance Terminal System window, select Board. In the right pane of the window, double-click Board Management. The Board Management window is displayed, as shown in Figure 5-26.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide Figure 5-27 Topology Management window Figure 5-28 Board Information dialog box (1) Step 4 Take the GTMU as an example. Right-click GTMU, and choose Board Information from the shortcut menu. The Board Information dialog box is displayed, as shown in Figure 5-29. Check the software version. If the software version is not correct, upgrade the software version. For details, see the Software Upgrade Guide.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-29 Board Information dialog box (2) ----End 5.4 Checking the Transmission Between the BBU and RFU on the BTS Side This describes how to check the transmission between the BBU and the RFU on the BTS side. By checking the link status of the BBU and RFU, you can rectify the fault caused by abnormal connection, thus ensuring normal communication between the BBU and the RFU.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) If... Then... Some LEDs are not in the on in green status The communication between the CPRI0 port on the BBU and the RFU is faulty. Go to Step 2. NOTE The status of the LED corresponding to the CPRI port that is not in use should be OFF. Step 2 Check the connection between the RFU and the BBU. 1.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Prerequisite The output power of the TRX is within the normal range, and the RFU operates properly. Context l The PSU (AC/DC) that converts 220 V AC power into -48 V DC power is used when the external 220 V AC power input is used. l The PSU (DC/DC) that converts +24 V AC power into -48 V DC power is used when the external +24 V AC power input is used.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) LED Color Normal State CPRI0 Green If the DRFU is normally connected to the BBU or another RFU, the LED is ON. If the DRFU is not connected, the LED is OFF. CPRI1 Green If the DRFU is normally connected to the BBU or another RFU, the LED is ON. If the DRFU is not connected, the LED is OFF. NOTE The LEDs on other RFUs have the same states as those on the DRFU, but the silkscreens of some LEDs are different.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Table 5-7 Normal states of the LEDs on the PSU PSU LED Color Normal State PSU (AC/DC) Power input LED (top) Green ON Power protection LED (middle) Yellow OFF Power failure LED (bottom) Red OFF Power input LED (left) Green ON Power protection LED (middle) Yellow OFF Power failure LED (right) Red OFF PSU (DC/DC) Step 7 If the LEDs on the boards or modules are not in the normal state, check the alarm
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-30 Board Management window Step 2 Check the type of the board or module where alarms are generated. If... Then... The board or module is RFU Go to Step 3 to query the alarms. The board or module is GTMU, UBFA, UPEU, UEIU, Go to Step 4 to query the alarms. GATM, or PMU Step 3 In the Board Management window, double-click GTMU. The Topology Management window is displayed, as shown in Figure 5-31.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) Figure 5-31 Topology Management window Step 4 Right-click the board or module to be queried, and choose Board Alarm. The Board Alarm Information dialog box is displayed. Click the red grid, then the details about the alarm are displayed in the right pane, as shown in Figure 5-32. Figure 5-32 Board Alarm Information dialog box Issue 02 (2009-04-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) NOTE Each red grid represents an alarm. Step 5 Perform the next operation according to the result displayed in the Board Alarm Information dialog box. If... Then... No alarm is generated Close the Board Alarm Information dialog box. Repeat steps Step 2 through Step 5 and query alarms generated in other boards or modules. An alarm is generated Clear the alarm based on the troubleshooting suggestions.
BTS3900(A) GSM Commissioning Guide 5 Commissioning the BTS (Transmission Unavailable) SN Check Item 6 Labels are attached to both ends of the power cables and grounding cables. 7 The power cables and grounding cables are not damaged or broken. 8 There are no connectors or joints on the power cables or grounding cables. 9 There are no breaking equipment, such as switches and fuses, in the electrical connection of the grounding system.
5 Commissioning the BTS (Transmission Unavailable) BTS3900(A) GSM Commissioning Guide SN Check Item 9 The cable layout facilitates maintenance and future capacity expansion. 10 All the labels and tags at both ends of the cables are legible. 11 The unused ports are covered with dust-proof covers and matching plugs. 12 The indoor 1/2-inch jumpers are distributed according to the layer and sector. 13 The indoor 1/2-inch jumpers are kept straight for 300 mm at their joints with the cabinet.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks 6 Optional Commissioning Tasks About This Chapter The optional commissioning tasks are the VSWR check, output power of the TRX check, loopback test check, settings of the DIP switches on the board check, transmission between the BBU and the BSC on the BTS side check, transmission between cascaded TRXs check, and TRX ring topology check. 6.1 Commissioning the Antenna System This describes how to commission the antenna system.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks 6.1 Commissioning the Antenna System This describes how to commission the antenna system. You must check whether the VSWR is normal, whether the output power of the TRX is normal, and whether the antenna is connected properly. If an RET antenna is configured, you need to commission it. 6.1.1 Measuring the VSWR This describes how to measure whether the VSWR is less than or equal to 1.5. If the VSWR is less than or equal to 1.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks NOTE The fault points are usually at the connection point between the jumper and the feeder or between the jumper and the antenna. ----End 6.1.2 Monitoring the Output Power of TRXs This describes how to obtain the output power of the TRX, which indicates the running status of the TRXs. Procedure Step 1 Connect the power meter to the ANT port on the RFU.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Step 4 Set the parameters listed in Table 6-1. Then, click User-defined Message. Then, click Start Test to initiate the test on the output power of the TRXs. NOTE The parameters not involved in Table 6-1 can use the default values. Table 6-1 Parameter required in RF performance test Group Box Type Parameter Setting Description Testing Items Select Transmitter, and retain the default settings of the dropdown list.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks 6.1.3 Checking the Antenna Connection This describes how to check the antenna connections with an MS. You can lock the MS on a cell frequency and perform the dialing test. If the MS dialing test is successful, the antenna is properly connected. Prerequisite l The BTS is powered on and works normally. l The transmission between the BSC and the BTS is normal. l The antenna system is connected to the cabinet.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks NOTE You are advised to do as follows to ensure the accuracy of test results: l Make test calls within the power range of -30 dBm to -70 dBm under the tower. l Perform the dialing test for more than five times. Step 4 Repeat steps Step 2 through Step 3 to check the antenna connections on all the frequencies of the BTS. ----End 6.2 Performing the Loopback Test This describes how to perform the loopback test.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Figure 6-3 Test TRX Loopback dialog box Step 2 Set the parameters in the Location and Setting areas. That is, set Type to BIU Loop Test, and set Site, Cell, and TRX as required. NOTE The maximum Duration of the BIU loop test is the default value, which is 10s. In most cases, the default value is used. Step 3 Click Start to perform the test. The result is displayed in the Test Result area, as shown in Figure 6-3. If... Then...
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks 6.2.2 Performing Channel Loopback Tests This describes how to perform channel loopback tests. Before testing CS and PS services, you must check that the transmission links of the traffic channels in the BTS are proper. Context The BIU loopback test is performed to test the timeslot transmission over the TRX traffic channel on the DBUS in the BTS.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks NOTE The maximum Duration of the BIU loop test is the default value, which is 10s. In most cases, the default value is used. Step 3 Click Start. The Confirm dialog box is displayed. Click Yes to perform the test. The result is displayed in the Test Result area, as shown in Figure 6-4. If... Then... The BER is 0 per mille The service channel is normal. The BER is not 0 per mille The service channel is abnormal.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Figure 6-5 Site Device Attributes dialog box ----End 6.4 Locally Checking the Transmission Between the BBU and the BSC This describes how to check the status of the LEDs on the GTMU panel, how to check the connections of the E1 cable and E1 surge protection transfer cable. It also describes how to clear the fault caused by improper connections to ensure that the BBU communicates properly with the BSC.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Procedure Step 1 Check whether the settings of DIP switch meet the field requirements. if not, modify the settings of DIP switch as required. Step 2 Check the status of the LEDs LIU0 to LIU3 on the panel of the GTMU in the BBU. The LEDs LIU0 to LIU3 correspond to link 1 to 4 of the E1/T1 cable. Each link has one TX line and one RX line. If... Then... The LEDs are OFF The E1/T1 links are normal. End this task.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks 1. For a pair of E1s/T1s connecting the BTS and BSC through the DDF, the A port is connected to the C port, and the B port is connected to the D port. In the loopback test, disconnect the A port from the C port, and the B port from the D port, and then connect the A port to the B port, as shown in Figure 6-6. In this way, the TX end and RX end of the E1/T1 line is connected and the physical loopback is formed on the BTS side.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Procedure Step 1 In the navigation tree in the left pane of the BSC6000 Local Maintenance Terminal window, select the BTS, and check whether the status of the three cascaded TRXs on the Site Device Panel tab page is green, as shown in Figure 6-7. l If the TRXs are displayed in green, you can infer that the TRXs are functional. End this task.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks transmission between the TRXs on the BTS side, or clear the alarm based on the BSS Alarm Reference. ----End 6.6 Checking TRXs in Ring Topology This describes how to check TRXs in ring topology on site. The following description is based on level 3 of TRXs in ring topology. Prerequisite l The physical connection between TRXs in ring topology on the BTS side is complete.
BTS3900(A) GSM Commissioning Guide If... 6 Optional Commissioning Tasks Then... The ring topology is not configured Configure the ring topology. For details, see the BSC Initial Configuration Guide. Step 2 Change the TRX ring topology test to TRX cascaded test. The purpose of setting breakpoints on the LMT is to simulate the scenario that faults occur on the transmission link. In this way, you can check whether the TRXs are automatically switched to chain topology and whether the alarm is reported. 1.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks 4. Set the breakpoint to disconnect the level 3 TRX, as shown in Figure 6-10. Figure 6-10 Set RXU Chain Break Point dialog box 5. Click OK to return to the Site Device Attributes dialog box. The breakpoints marked with red cross are displayed, as shown in Figure 6-11. Figure 6-11 Setting breakpoint successfully 6. 6-16 Click OK, and then click Finish to return to the BSC6000 Local Maintenance Terminal window.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Figure 6-12 Status of the disconnected TRX ring topology 7. Right-click the site, and choose Configure Site Board Attributes from the shortcut menu. The Configure Site Boards Attributes dialog box is displayed. 8. Click Configure Site Board Attributes, the Site Device Attributes dialog box is displayed. 9. Right-click the RXU chain, and choose Combine or Separate RXU Chain.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Figure 6-14 Splitting RXU chain successfully 11. Click OK, and then click Finish to return to the BSC6000 Local Maintenance Terminal window. Figure 6-15 shows the data configuration on the Site Device Panel tab page. The GTMU reports the SFP Port Inconsistency Alarm. Figure 6-15 TRX ring topology in splitting state 6-18 Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks NOTE After Step 2.11 is performed, the status of the RFU is Faulty, and the TRX Communication Alarm is reported. Wait one to two minutes, and the TRX Communication Alarm is cleared, and the state of the RFU is Normal. Step 3 Change the TRX cascaded test to TRX ring topology test. The purpose of removing breakpoints on the LMT is to simulate the scenario that the faults on the transmission link.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Figure 6-17 Combining RXU chain successfully 6. 6-20 Click OK, and then click Finish to return to the BSC6000 Local Maintenance Terminal window. Figure 6-18 shows the status of boards on the Site Device Panel tab page. SFP Port Inconsistency Alarm is cleared. The level 3 TRX, however, is in the disconnected state due to the breakpoint. Therefore, TRX Communication Alarm is reported.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Figure 6-18 RXU ring in combined state 7. In the BSC6000 Local Maintenance Terminal window, right-click the target site and choose Configure Site Board Attributes, and the Site Device Attributes dialog box is displayed. 8. Click Configure Site Board Attributes. The Site Device Attributes dialog box is displayed. 9. Right-click the RXU chain, and choose Set Break Point. The Set RXU Chain Break Point dialog box is displayed. 10.
BTS3900(A) GSM Commissioning Guide 6 Optional Commissioning Tasks Figure 6-19 RXU Ring in normal state NOTE After Step 3.12 is performed, the status of the RFU is Faulty, and the TRX Communication Alarm is reported. Wait one to two minutes, and the TRX Communication Alarm will be cleared, and the status of the RFU is Normal. ----End 6-22 Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM Commissioning Guide 7 FAQs for BTS Commissioning 7 FAQs for BTS Commissioning About This Chapter This describes the fault symptoms and cause analysis in the BTS commissioning. 7.1 Failed Communication Between the SMT and the BTS This describes the symptom of the communication failure between the SMT and the BTS and analyzes the cause of the failed communication. It also provides the fault handling suggestions. 7.
BTS3900(A) GSM Commissioning Guide 7 FAQs for BTS Commissioning 7.1 Failed Communication Between the SMT and the BTS This describes the symptom of the communication failure between the SMT and the BTS and analyzes the cause of the failed communication. It also provides the fault handling suggestions. Fault Symptom Log in to the BTS on the SMT fails. The result of running the ping commands shows that the connection between the SMT PC and the BTS cannot be established.
BTS3900(A) GSM Commissioning Guide 7 FAQs for BTS Commissioning 2. Check for the crossed pair connection on the LMT. 3. Perform a physical loopback test to check whether the transmission of the E1 cable is normal on the BTS side. 4. Check the transmission channels to ensure that all the transmission channels are available.
BTS3900(A) GSM Commissioning Guide 7 FAQs for BTS Commissioning 1. Check for the crossed pair connection on the E1 cable between the DDF on the BSC side and the BSC. (1) Perform a physical loopback on each E1 cable at the DDF subrack of the BSC, as shown in Figure 7-2. Connect port C1 and port D1 (2) Run CHK E1T1CRS to query the results. If the results of all the ports are NOT CROSS, you can infer that the E1 cable is correctly connected on the BSC side.
BTS3900(A) GSM Commissioning Guide 7 FAQs for BTS Commissioning 1. Ensure that the E1/T1 cable is securely connected to the OUTSIDE port on the UELP, and that the connectors are in sound condition. If the connector is damaged, replace it. 2. Ensure that the E1 transfer cable is securely connected to the INSIDE port on the UELP and the E1/T1 port on the GTMU, and that the connectors are in sound condition. If the connector is damaged, replace it. 3.
BTS3900(A) GSM Commissioning Guide 7 FAQs for BTS Commissioning Table 7-3 Meaning of the state of the LIU LEDs (UELP not used) If... Then... The LEDs are OFF The UELP is faulty. a. Check whether the connection between the UELP and the backplane of the BBU is reliable. b. Replace the UELP. The LEDs are ON or ON for 0.125s and OFF for 0.125s The UELP is functional, but the E1 link on the BTS side is faulty.
BTS3900(A) GSM Commissioning Guide 7 FAQs for BTS Commissioning 7.4 Service Dialing Failure This describes the fault symptom and analyzes the cause of the service dialing failure. It also provides the fault handling suggestions. Fault Symptom Service dialing failure may occur in either of the following cases: l Location update failure l Service dialing failure Cause Analysis and Handling Suggestion Table 7-4 lists the possible causes and related suggestions.
BTS3900(A) GSM Commissioning Guide 7 FAQs for BTS Commissioning 7-8 If... Then... Only one end of the E1 cable is grounded, The E1 cable is grounded properly. Both ends of the E1 cable are grounded, The E1 cable is not grounded properly. l The data configuration negotiated between the BSC and the BTS is not consistent. l The cell signals are weak. l The MS capability is limited. Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM Commissioning Guide 8 Commissioning Record Data Sheet 8 Commissioning Record Data Sheet This describes the data sheet that is used to record the process and result of the BTS commissioning.
BTS3900(A) GSM Commissioning Guide 8 Commissioning Record Data Sheet The transmission between the BBU and the RXU is normal. No other alarms are reported except the alarms related to the transmission. The hardware connections are correct. Site management rights are released. The transmission between the BBU and the BSC is available. Transmis sion Availabl e Phase (on the LMT) The transmission between the BBU and the RXU and the transmission between the BBU and the BSC is normal.
BTS3900(A) GSM Commissioning Guide 8 Commissioning Record Data Sheet The antenna system is properly connected. The result of the carrier loopback test is normal. The result of the channel loopback test is normal. The DIP switch settings are correct. Commis sioning Result Unsolved Problems Impact Unsolved Problems After Commissioning Issue 02 (2009-04-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM Commissioning Guide 9 9 Communication Ports Used by the GBTS Communication Ports Used by the GBTS Table 9-1 lists the communication port used by the GBTS Table 9-1 The Communication Port Used by GBTS Issue 02 (2009-04-20) Prot ocol Side A Side A Ports (Liste ning) Side B Side B Ports (Lau nch) Service TCP GBT S 700 SMT 102465535 It will be used by SMT for local maintenance before GBTS connects in the network Huawei Proprietary and Confidential Copyright © Huawei Technologies
