Troubleshooting guide

ManualsBrandsAndrew ManualsStereo SystemATC200-Lite

Remote Electrical Downtilt

System Handbook

Installation Overview and

Troubleshooting Guide

Bulletin 639519 • Revision D • May 2009

Visit the Andrew tab on the Andrew Solutions website at

wwww.andrew.com to download latest rmware (software)

and antenna denition le before initial installation.

Andrew Solutions

www.andrew.com

Visit our Web site at www.commscope.com or contact your local Andrew Solutions representative for more information.

Andrew Solutions is a trademark of CommScope. All trademarks identied by ® or ™ are registered trademarks or trade-

marks, respectively, of CommScope. This document is for planning purposes only and is not intended to modify or supple-

ment any specications or warranties relating to Andrew Solutions products or services.

Customer Support Center

North America: +1-800-255-1479, Option 1

International: +1-779-435-6500, Option 1

Summary of content (82 pages)

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Remote Electrical Downtilt System Handbook Installation Overview and Troubleshooting Guide Visit the Andrew tab on the Andrew Solutions website at wwww.andrew.com to download latest firmware (software) and antenna definition file before initial installation. Register online to receive e-mail notifications of file updates. Andrew Solutions Customer Support Center North America: +1-800-255-1479, Option 1 International: +1-779-435-6500, Option 1 www.andrew.com Visit our Web site at www.commscope.
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Remote Electrical Downtilt System Handbook Safety and Warranty Notices WARRANTY NOTICE Proper installation procedures must be followed when installing and operating RET equipment. Failure to assure installations are done properly by trained installation personnel and to follow procedures discussed in this bulletin may cause warranty for such products to be void.
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Table of Contents Safety and Warranty Notices .................................................................................. i Part 1 – Teletilt® Products Section 1 Teletilt Overview ...............................................................................1-1 1.1 1.2 1.3 Introduction to Teletilt ................................................................................................. 1-1 RET Component Functions .............................................................................
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Table of Contents Remote Electrical Downtilt System Handbook 6.4 Angle Displayed in Antenna Bushing Window Does Not Match Angle Reported by Controller Software ............................................................................................................. 6-2 6.5 Does Not Move to Max or Min Tilt .............................................................................. 6-3 6.6 Hardware Error Alarm............................................................................................
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Remote Electrical Downtilt Handbook 10.6 10.7 10.8 10.9 Table of Contents Cannot Upload Software to Controller...................................................................... 10-2 Cannot Find Devices After Installing New Software ................................................. 10-2 Cannot Contact Controller Either By Serial or Ethernet Cable ................................. 10-2 FTP Only Works Partially and Stops ........................................................................
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Part 1 Teletilt® Products Bulletin 639519 • Revision D May 2009
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Part 1–Teletilt® Products Remote Electrical Downtilt System Handbook This page is intentionally left blank.
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Section 1 Teletilt® Overview 1.1 Introduction to Teletilt® Andrew, A CommScope Company, carries a wide range of RET equipment, known as our Teletilt product line. A variety of RET system configurations are possible using the Andrew Teletilt system components. See Figure 1-1 for an example of the primary components used in a RET system. Figures 1-2 and 1-3 show examples of how the long cable run can be eliminated by using smart bias tees or a combination of a TMA and a bottom smart bias tee.
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Section 1–Teletilt® Overview Remote Electrical Downtilt System Handbook Example cable lengths shown. Coax cables for remaining DIN connectors on antennas are not shown. Addtional Products: ATJB200-A01-007 Seven-Way Junction Box *If the actuators are daisy-chained together and a junction box is not used, it is recommended that an additional ATLP200-001 lightning protection unit be installed at the top of the RET cable run.
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Section 1–Teletilt® Overview Remote Electrical Downtilt System Handbook Example cable lengths shown. Coax cables for remaining DIN connectors on antennas are not shown. Additional Products: ATJB200-A01-004 Four-Way Junction Box ATJB200-A01-007 Seven-Way Junction Box Female DIN Antenna Male AISG Male DIN RET Cable Assembly ATCB-B01-006 6 1 Smart Bias Tee, Bottom Injects dc (RET) voltage onto coax along with RF.
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Section 1–Teletilt® Overview Remote Electrical Downtilt System Handbook 1.3 Rooftop RET Configurations Rooftop configurations with RET equipment are possible. For example, each wall could have an antenna with an actuator. A RET cable can be run from each actuator to a junction box; and then a longer RET cable can be run from the junction box to the controller. Accessories (e.g. grounding kits, lightning protection units, etc.) can be added, as needed. See Figure 1-4 for a simplified diagram example.
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Section 2 Teletilt® RET System Components In Detail 2.1 Actuator (Motor Drive) ATM200 series actuators house a brushless stepper motor system. This system enables communication from both the actuator to the controller (identifying its position and angular tilt setting) and the controller to the actuator (to make angular tilt adjustments). The brushless approach was adopted for high reliability and low EMI.
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook Warning! Over tightening the AISG cable connection to the actuator can damage the actuator’s internal PC board. See Figure 2-3 for examples of a good and a damaged AISG connector on the actuator. The AISG connector key should always face inward towards the center of the actuator. AISG cables are to be hand tightened only. Good Damaged Figure 2-3. Examples of Good and Damaged Actuators. 2.1.
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Remote Electrical Downtilt System Handbook Section 2– Teletilt® RET System Components in Detail 2.2 AISG RET Control Cabling Andrew’s RET control cabling (Figure 2-4) is compliant to AISG standards and is offered in a wide variety of lengths. Each cable has a male and a female 8–pin circular connector. These AISG compliant connectors have locking screw–rings and are keyed to provide a matching fit with the ports on the actuator, controller, and other RET devices. Each pin is capable of supporting 5 amps.
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook Keys to ensure proper connection. 6 7 1 7 3 4 6 1 3 5 5 Male 4 Female Figure 2-5. AISG Compliant Andrew RET Connector Pin Assignments. Pin Number Signal Comments 1 +12V dc nominal +10V to 15V dc (optional in AISG 2.0) 2 –48V dc nominal Use is optional. Not used in the Andrew RET system. 3 RS–485 B RS–485 communication 4 RS–485 GND Use is optional.
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook 2.4 Lightning Protection Unit The lightning protection unit, ATLP200-001, is recommended to provide added surge protection to any RET device, especially rack mount controllers. This unit must be grounded using the 602299 grounding kit. It has 8–Pin male and female interfaces to feed data and power through the AISG compliant RET control cable. See Figure 2-7. 2.
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook 2.7 AISG Smart Bias Tees The AISG smart bias tees (Figures 2-10a and 2-10b) are designed to eliminate the long AISG data cable run from the base to the top of a cell site tower by electronically injecting (piggy-backing) power and control signals onto an existing RF coaxial run. Each installation requires a pair (top and bottom unit) of smart bias tees.
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Remote Electrical Downtilt System Handbook Section 2– Teletilt® RET System Components in Detail RS–232 Serial Port RS–232 Serial Cable, Supplied RS–485 RET Port Data Transmit/Receive LED System Status LED Power LED dc IN Port Figure 2-11. ATC200-LITE Portable Controller with RS–232 Serial Cable Attached. Connection/LED Comments RS–232 Serial Port/Cable Male serial connection attaches to a local PC/laptop. Female adapter plugs into ATC200-LITE controller.
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook Data LED flashes green on transmitting and red on receiving signals Power LED is lit when power is input +12 and +24 LEDs are lit to show voltage level output AISG female port for control cable from antenna RS-232 Serial Port USB Port dc IN Port Figure 2-13. ATC200-LITE-USB Controller End Panels. 2.
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook Connection/LED Comments LMT Port 9–pin ‘D’ style port for connecting to local PC/laptop RS–232 serial port. Status LED Displays red when alarmed. Displays green when system is OK. Ethernet Port Used for connecting to local PC/laptop Ethernet port or to a network. RET port Used for connecting to bottom end of AISG compliant RET control cable. dc Port Connection for –48 Vdc power input.
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook 2.10 ATTK200-KIT Control Cable and System Test Kit The ATTK200-KIT cable testing kit includes three diagnostic tools to assist in troubleshooting problems that can occur in a RET system.
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Remote Electrical Downtilt System Handbook Section 2– Teletilt® RET System Components in Detail Breakout Box (ATTK-BB) The breakout box enables short or open conditions on the individual AISG RET control cable without cutting into the cable. See Figure 2-18 for breakout box features. Insert test leads into the locking sockets to perform tests. Press switch to OFF position to create an open in the cable line (with cable attached to both ends of breakout box).
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook 2.11 Teletilt RET System Component Part Numbers Teletilt RET system component part numbers are shown in Tables 2-6a and 2-6b. Part Number Description Length Cables With Right Angle Connectors ATCB-B01-RM50 AISG Cable with Male Right Angle Connector 1.6 ft. (0.5m) ATCB-B01-RF50 AISG Cable with Female Right Angle Connector 1.6 ft. (0.
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Section 2– Teletilt® RET System Components in Detail Remote Electrical Downtilt System Handbook Part Number Description Grounding Kits ATGK-001 For Control Cable For RET Equipment 602299 Junction Boxes/Lightning Protection Unit ATJB200-A01-004 4–Way Junction Box ATJB200-A01-007 7–Way Junction Box ATLP200-001 AISG Lightning Protection Unit AISG Smart Bias Tees ATBT-BOTTOM-24V 24V Bottom; Port 1-M, Port 2-F, Port 3-M* ATBT-TOP-24V 24V Top; Port 1-M, Port 2-F, Port 3-F* ATBT-S508 12V Bottom;
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Section 3 Online Search For Teletilt® RET Installation Bulletins Andrew provides installation bulletins for all Teletilt® RET products. These bulletins are available online at the Commscope website. This section describes how to obtain installation bulletins online. See below to locate and download installation bulletins online from the Commscope website: (http://www.commscope.com/andrew/eng/index.html) 1.
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Section 3–Online Search For Teletilt® RET Installation Bulletins Remote Electrical Downtilt System Handbook 3. Click on the link for the product of interest. Figure 3-2. Selecting the Portable Controller Link to Access Installation Instructions. 4. Click on this link to return to product list. Click on the link for desired installation bulletin. Figure 3-3. Selecting the Portable Controller Link to Access Installation Instructions. 3.1 Download Teletilt® RET Installation Bulletins.
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Section 4 Pre-Installation Check Andrew requires pretesting actuators on the ground prior to installation using the Andrew portable controller and the latest version of the controller software (available online at www.andrew.com. Go to Products→Antennas→Teletilt® RET System). This will verify proper actuator functionality and also ensure that the latest available actuator firmware release is installed on the actuator.
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Section 4–Pre-Installation Check Remote Electrical Downtilt System Handbook Teletilt® System Site Configuration Worksheet SITE I.D. Actuator 1 Antenna Actuator Serial No. Sector/ Orientation Height Miscellaneous 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Figure 4-1. Site Configuration Worksheet.
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Part 2 Troubleshooting Teletilt® Systems Overview of Part 2 Section 5 gives basic guidance for resolving any questions regarding Teletilt® products. This should be consulted first. Sections 6-12 are devoted to specific Teletilt® product questions. See pages iii to v, the main Table of Contents, for the product in each section and issues related to the product. Sections 13-16 resolve computer issues. Section 17 deals with Node-B controllers.
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Section 5 Basic Approach: Isolate and Replace When experiencing issues with a factory-installed actuator, Andrew recommends returning the entire antenna with actuator rather than changing the actuator. Proper installation procedures must be followed when installing and operating RET equipment. Failure to assure installations are done properly by trained installation personnel and to follow procedures discussed in this bulletin may cause warranty for such products to be void.
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Section 5–Basic Approach: Isolate and Replace Remote Electrical Downtilt System Handbook 5. Check voltage on AISG port on TMA (about 22 Vdc* between pins 6 and 7). 6. Bypass the SBT and TMA. Use a direct RET cable from portable controller to actuators. 7. If steps 1 through 6 fail, you can move the smart bias tee to the other coax feeding into the other TMA port. 8. If steps 1 through 7 fail, use another TMA to eliminate possibility of a bad AISG component. 9. See Table 2-2 for pin outs.
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Section 6 ATM200 Actuator Issues 1. Andrew requires pretesting actuators on the ground prior to installation, using the Andrew portable controller and the latest version of the controller software (available online at www.andrew.com under Products→ Antennas→Teletilt® RET System). This will verify proper actuator functionality and also ensure that the latest available actuator firmware release is installed on the actuator.
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Section 6–ATM200-002 Actuator Issues Remote Electrical Downtilt System Handbook • Daisy chain good actuators one pair at a time to test output connection of actuators. • Check actuator female connector. • Isolate and eliminate other devices in cable path until problem device is found (e.g., output connector of junction box, jumper cable). • If cable path to outmost device exceeds 200 meters and all devices/cables are good, reconfigure the path for shorter cable path.
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Remote Electrical Downtilt System Handbook Section 6– ATM200-002 Actuator Issues 6.5 Actuator Does Not Move to Max or Min Tilt • See Section 6.4 6.6 Hardware Error Alarm • When actuator is repeatedly moved to max/min tilt for many cycles in a short time, the controller temporarily stops movement to prevent overheating. This is a protection, not an error. Allow device to cool for a minute or two and retry.
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Section 7 ATC200-LITE-USB Issues 1. Andrew requires pretesting actuators on the ground prior to installation, using the Andrew portable controller and the latest version of the controller software (available online at www.andrew.com under Products→ Antennas→Teletilt® RET System). This will verify proper actuator functionality and also ensure that the latest available actuator firmware release is installed on the actuator.
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Section 7–ATC200-LITE-USB Issues Remote Electrical Downtilt System Handbook 7.4 See Different Number Of Actuators At Different Times • Install latest software. From the Andrew Products tab on www.commscope.com, click on Antennas→Teletilt RET System→Downloads→Teletilt RET Products Software, Firmware, Tools, and Manuals. 7.5 Actuator Cannot Answer Request For Config Information • Install latest software for ATC200-LITE-USB. Old versions cannot talk to newer firmware on actuators. 7.
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Remote Electrical Downtilt System Handbook Section 7–ATC200-LITE-USB 7.12 Antenna Movement Failed • Test the actuator in isolation – See Section 5. 7.13 “Device, S/N Rejected, Unable To Control, Skipping…” • Background:Insufficient information from actuator for controller to control device (garbled message) caused by noise on line, firmware download to actuator failure, or old software (Version 5 or earlier). • Power cycle controller. • Update controller software. • Update firmware on actuator.
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Section 8 ATC300-1000 Controller Issues 1. Andrew requires pretesting actuators on the ground prior to installation, using the Andrew portable controller and the latest version of the controller software (available online at www.andrew.com under Products→ Antennas→Teletilt® RET System). This will verify proper actuator functionality and also ensure that the latest available actuator firmware release is installed on the actuator.
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Section 8–ATC300-1000 Controller Issues Remote Electrical Downtilt System Handbook 8.3 No Devices Found During scan, the Device Search Progress information box reports finding devices, but scan results report no devices found. • Turn off pop-up blocker (Section 8.2) • Connection to the controller may be lost even though the webpage for the controller is still displayed, or the browser may timeout before the web page displays.
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Remote Electrical Downtilt System Handbook Section 8–ATC300-1000 Controller Issues 8.4 AISG Status LED Colors – See Table 8-1, below. Left LED Right LED Condition Blinking green Blinking red Green Following sequence is repeated Short in line or line device. every 2 seconds: Isolate faulty device (Section 5). Green: short red: solid red. Blinking red High current draw (2.5 to 5 Amps) from some device. Isolate and replace device (Section 5). Off No voltage on AISG line.
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Section 9 ATC300-1000 Using SMB Ports 9.1 No Devices Found • See Section 8 for general discussion of ATC300-1000 issues. • Verify using dc 2.1 bias tee. Andrew has two dc 2.1 bias tees: ABT-DMDF-ADBA and ABT-DFDM-ADBA. Any other bias tee may scramble the AISG signal. • Verify dc 2.1 bias tee is correctly installed and on correct coax line. • Verify AISG coaxial surge arrestors are correct type: APTDC-BDFDF-DB, APTDC-BDFDM-DB or equivalent.
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Section 10 ATC200-1000 Issues 10.1 Unable to Open Software or Connect to ATC200-1000 • Consult ATC200-1000 User Guide (639514) or ATC200-1000 Computer Interface Quick Guide (639561) to use IP config tool to connect to the controller. • If using Vista, see Section 16. • See Section 8.1 for other suggestions. 10.2 Pop-ups Not Allowed • In the Internet browser, go to Tools→Pop-up Blocker. Select Turn off Pop-up Blocker.
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Section 10–ATC200-1000 Issues Remote Electrical Downtilt System Handbook browser URL. Close undesired server. • Make sure the firewall is not running. This is worth checking because you can send and receive off port 80 (http) but still could be blocked from passing files on port 21 (i.e. FTP). 10.7 Cannot Find Devices After Installing New Software • Reboot controller 10.8 Cannot Contact Controller Either By Serial or Ethernet Cable • Verify IP settings and connection for LMT port.
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Section 11 Smart Bias Tee Issues 11.1 No Devices Found • Verify that surge arrestor on coax line can pass dc. Two acceptable surge arrestors are APTDC-BDFDF-DB and APTDC-BDFDM-DB. Other types may ground the dc voltage, preventing voltage from reaching the actuator, TMA, etc.) • Verify that the smart bias tees are installed correctly. • Verify that the coax line doesn’t have a short by connecting ohmmeter between connector pin and shield. (Line could have a short even if it sweeps OK.
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Section 12–Tower Mounted Amplifier Issues Remote Electrical Downtilt System Handbook Section 12 Tower Mounted Amplifier (TMA) Issues 12.1 No Devices Found • Verify that the TMA type supports AISG. • If TMA type is E15S08P74, replace with TMA that supports AISG, or bypass TMA with AISG home-run cable. • Recycle power to PDU. • Verify that smart bias tees and TMAs are properly oriented (misconnection to TMA can cause a short on the coax). • See Section 11 for smart bias tee issues.
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Section 13 Correcting USB Driver Issues for ATC200LITE-USB If the ATC200-LITE-USB is installed while the USB cable is connected to the PC, the system will say there is no USB connection. This section describes correcting this problem. See Section 7.1 if using Vista 64 bit. 13.1 Correcting USB Driver Problem on XP Connect ATC200-LITE-USB to PC using a USB cable. Locate driver information as follows: • Right click on My Computer→Properties→Hardware tab→Device Manager.
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Section 13–USB Driver Issues-ATC200-LITE-USB Remote Electrical Downtilt System Handbook If “ATC200-LITE-USB” is not found in a branch: Screen Title(s) Action Go to Control Panel. Click on Add Hardware. Add Hardware Wizard: Welcome Next to the Add Hardware Wizard (Wait for search to finish.) Found New Hardware Wizard: Select No, not this time.
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Remote Electrical Downtilt System Handbook Section 13–USB Driver Issues-ATC200-LITE-USB If the previous two approaches do not work: Screen Title(s) Action Go to Control Panel→Add or Remove Programs. (Wait for programs to be listed.) Select ATC Lite Remove ATC Lite Choose Yes Remove the USB cable for the ATC200-LITE-USB from the PC. Go to http://www.commscope.com→Andrew→ eng→product→antennas→teletilt. Select Downloads→Teletilt® Software, Firmware, Tools, and Manuals. Select ATCLite v.xx (.
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Section 13–USB Driver Issues-ATC200-LITE-USB Remote Electrical Downtilt System Handbook Hardware Installation Click on Continue Anyway. Files Needed If this screen appears, …reenter the file from previous step. (Check spelling.) OK Found New Hardware Wizard: Completing the Found New Hard- Finish ware Wizard Table 13-3. Correcting USB Driver Problems (continued from previous page). 13.
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Remote Electrical Downtilt System Handbook Section 13–USB Driver Issues-ATC200-LITE-USB 5. Open Universal Serial Bus controllers tree (Figure 13-2). 6. Note that a yellow dot with an exclamation point may appear to the right of ATC200-LITEUSB. This indicates that Windows does not know what the device is. You may also see a tree branch called Other. The ATC200-LITE-USB may also appear under that branch. Right click on ATC200-LITE-USB (Figure 13-2).
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Section 13–USB Driver Issues-ATC200-LITE-USB Remote Electrical Downtilt System Handbook 8. A Hardware Wizard window will open. Select Browse my computer for driver software. Selecting Browse my computer for driver software. Figure 13-4. Opening the Hardware Wizard. 9. Select Browse. Selecting Browse. Figure 13-5. Selecting Browse.
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Remote Electrical Downtilt System Handbook Section 13–USB Driver Issues-ATC200-LITE-USB 10. Navigate to the following folder; C:\Program Files→Andrew Corporation→ATC Lite. Select Next (Figure 13-6). Hardware wizard will now extract the USB device drivers from the ATC Lite folder and place them in appropriate Windows folders for use. Selecting Next. Figure 13-6. Extracting USB Device Driver. Windows may open an Alarm Window indicating that the drivers you are installing have not been verified.
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Section 13–USB Driver Issues-ATC200-LITE-USB Remote Electrical Downtilt System Handbook 11. Windows will display Update Driver Software-ATC200-LITE-USB (Figure 13-7) and your ATC200-LITE-USB is now ready to be used. Figure 13-7. Driver Software is Up To Date.
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Section 14 Finding Controller IP Address When Unknown • Access to ATC200-1000 and ATC300-1000 requires an IP address. If the address is unknown, it can be found by using a serial cable. • Finding the address on XP is documented in the user guides for ATC200-1000 (Bulletin # 639514) and for ATC300-1000 (Bulletin #639544). These documents are available from the Andrew Products tab on www.commscope.com.
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Section 15 Setting IP Addressing on a PC Using Vista to Connect to ATC200-1000 or ATC300-1000 15.1 Setting an IP Address Using Windows Vista™ The following procedure will show you how to change your IP Address if operating a Windows Vista computer, so you can network with the ATC200/300-1000 controller. This procedure will only work on controllers that are still set up with the default IP Address 192.168.255.141 and with Subnet Mask 255.255.255.0.
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Section 15–IP Addressing Using Windows Vista Remote Electrical Downtilt System Handbook 2. Click on Network and Sharing Center (Figure 15-2). Figure 15-2. Selecting Network and Sharing Center. 3. Select Manage Network Connections link (Figure 15-3). Figure 15-3. Selecting Manage Network Connections.
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Remote Electrical Downtilt System Handbook Section 15–IP Addressing Using Windows Vista 4. Click on Local Area Connection (Figure 15-4). This may appear differently on your computer. Ensure that you are using the connection that represents your RJ45 port on the back of your computer. Figure 15-4. Selecting Local Area Connection. 5. Your Local Area Connection Status window will open. Select Properties (Figure 15-5). 6. Double click Internet Protocol Version 4 (TCP/IPv4). See Figure 15-6. Figure 15-6.
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Section 15–IP Addressing Using Windows Vista Remote Electrical Downtilt System Handbook 7. Most computers are setup to use DHCP with their Home/Work Networks. If this is the case, the Obtain an IP address automatically radio button will be selected. If you have a static IP address, the Use the following IP address radio button will be used (Figure 15-7).
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Remote Electrical Downtilt System Handbook Section 15–IP Addressing Using Windows Vista 13. From your desk top, open Internet Explorer (Figure 15-11). 14. To open the ATC300-1000 main interface screen, type http://192.168.255.141/ in Explorer’s address bar (Figure 15-12). 15. Once you completed controller operations, follow the previous steps to reset your computer to its original configuration. 1. Type controller’s IP address into Internet browser URL window. Figure 15-11.
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Section 16 Software Upload (FTP) to ATC300-1000 or ATC200-1000 Using Vista 16.1 Using IP Config Tool as an FTP Server The IP Config Tool can be used as an FTP server on a Vista operating system. The limitation is that IP Config cannot push the file transfer. Instead, the transfer is pulled using the controller. 1. Make sure firewall is turned off (Section 8.1). 2. Connect to the controller. See user guides 639544 (ATC300-1000) or 639514 (ATC200-1000), available from the Andrew Products tab on www.
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Section 17–Node B Controller Remote Electrical Downtilt System Handbook Section 17 Node B Controller Notes • For Nokia and Ericsson embedded controllers, actuators must have a firmware version of 2.0.20 minimum or higher to operate correctly. • If the Node B shuts down when trying to adjust an Andrew actuator: 1. Apply latest firmware to the actuator using ATC200-LITE-USB: • Complete procedure is detailed in the ATC200-LITE-USB User Guide, Bulletin # 639536. See Section 3, Uploading Firmware.
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Section 18 Interoperability with Non-Andrew Devices 18.1 ATC200-LITE-USB • ATC200-LITE-USB is not designed to work with actuators, etc. of other manufacturers. Functionality would need to be verified through interoperability testing. • ATC200-LITE-USB equipment can generally be used with software from other manufacturers. (For example, use Cobra software and ATC200-LITE-USB on serial cable to control legacy EMS products.) 18.
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Section 19–Miscellaneous Remote Electrical Downtilt System Handbook Section 19 Miscellaneous 19.1 Dropped Coverage • • Actuator has been replaced and new actuator is set at max tilt angle. Adjust tilt angle.
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Part 3 Troubleshooting COBRATM Systems Bulletin 639519 • Revision D May 2009
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Section 20 COBRA™ RET System Diagnostics 20.1 Isolating the Malfunction Finding the root cause of a failure is usually not necessary. It is enough to isolate a malfunction and replace the device or cable. Refer to Figure 20-1 for an example of how the COBRA home-run control cable or a spare control cable can be used to locate a malfunction. This example can also be used for configurations with bias tees.
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Section 20–COBRA™ RET System Diagnostics Remote Electrical Downtilt System Handbook There can be several reasons as to why an actuator is not found during a device scan. 20.1.1 Damage During Installation When the power is applied from the COBRA controller and connected to a cable that is not properly aligned with the keyed notch on the actuator, it is possible to damage one or more electronic components in the actuator.
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Section 20–COBRA™ RET System Diagnostics Remote Electrical Downtilt System Handbook 20.1.4 Exceeded Power COBRA Maximum Length Specifications The farthest actuator should not exceed a 130 meter distance from the Power COBRA controller. Symptom Possible Cause Remedy Permanent jam Bad actuator motor Replace RET or replace complete antenna assembly. Permanent jam Actuator shaft on antenna is not moving properly Return complete antenna assembly.
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Section 20–COBRA™ RET System Diagnostics Remote Electrical Downtilt System Handbook 20.2 Customer Technical Support For additional assistance contact the North American Customer Support Center at 1-800-279-8185 or International at 1-779-435-6500. 20.3 Improper Site Installation Examples A base station site that is not performing properly may be the result of poor installation practices. Figures 20-2 through 20-4 are examples of installations that could be the cause of a site not operating normally.
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Section 20–COBRA™ RET System Diagnostics Remote Electrical Downtilt System Handbook Figure 20-3. Improper Site Installation - Example 2. Figure 20-4. Improper Site Installation - Example 3.
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