TRACER 4206 System Manual 612804206L1-1A September 2002 12804206L1A TRACER 4206 System (Plan A) 12804206L1B TRACER 4206 System (Plan B)
Trademarks Any brand names and product names included in this manual are trademarks, registered trademarks, or trade names of their respective holders. To the Holder of the Manual The contents of this manual are current as of the date of publication. ADTRAN reserves the right to change the contents without prior notice.
About this Manual This manual provides a complete description of the TRACER 4206 system and system software. The purpose of this manual is to provide the technician, system administrator, and manager with general and specific information related to the planning, installation, operation, and maintenance of the TRACER 4206. This manual is arranged so that needed information can be quickly and easily found. The following is an overview of the contents. Section 1 System Description . . . . . . . . . . . . . .
Notes provide additional useful information. Cautions signify information that could prevent service interruption. Warnings provide information that could prevent damage to the equipment or endangerment to human life. Safety Instructions When using your telephone equipment, please follow these basic safety precautions to reduce the risk of fire, electrical shock, or personal injury: 1.
Federal Communications Commission Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
Radio Frequency Interface Statement This equipment has been tested and found to comply with the limits for an intentional radiator, pursuant to Part 15, Subpart C of the FCC Rules. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the instructions, it may cause interference to radio communications. Changes or modifications not expressly approved by ADTRAN could void the user’s authority to operate the equipment. 6 © 2002 ADTRAN, Inc.
FCC Output Power Restrictions The FCC does not require licensing to implement this device. License-free operation in the industrial, scientific, and medical band is documented in FCC Rules Part 15.247. It is the responsibility of the individuals designing and implementing the radio system to assure compliance with any pertinent FCC Rules and Regulations. This device must be professionally installed. Exposure to Radio Frequency Fields The TRACER 4206 is designed to operate at 5.
Customer Service, Product Support Information, and Training ADTRAN will repair and return this product if within five years from the date of shipment the product does not meet its published specification or the product fails while in service. A return material authorization (RMA) is required prior to returning equipment to ADTRAN. For service, RMA requests, training, or more information, use the contact information given below.
Post-Sale Support Your reseller should serve as the first point of contact for support. If additional support is needed, the ADTRAN Support web site provides a variety of support services such as a searchable knowledge base, updated firmware releases, latest product documentation, service request ticket generation and trouble-shooting tools. All of this, and more, is available at: http://support.adtran.com When needed, further post-sales assistance is available by calling our Technical Support Center.
© 2002 ADTRAN, Inc.
SYSTEM DESCRIPTION This section of ADTRAN’s TRACER 4206 System manual is designed for use by network engineers, planners, and designers for overview information about the TRACER 4206. It contains general information and describes physical and operational concepts, network relationships, provisioning, testing, alarm status, and system monitoring. This section should be used in conjunction with Section 3, Engineering Guidelines, of the system manual. CONTENTS System Overview . . . . . . . . . . . . . . . . .
Section 1, System Description 1. TRACER 4206 System Manual SYSTEM OVERVIEW The ADTRAN TRACER® 4206 wireless system provides four independent T1 circuits over a wireless link for up to 30 miles (line-of-sight path required). As authorized under Part 15.247 of the FCC Rules, the TRACER 4206 operates license-free in the 5.8 GHz unlicensed Industrial, Scientific, and Medical (ISM) band, requiring no FCC licensing of end users.
MICROWAVE PATH ENGINEERING BASICS CONTENTS Line-of-site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Decibels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Receiver Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Antenna Gain .
Section 2, Microwave Path Engineering Basics 1. TRACER 4206 System Manual LINE-OF-SITE The TRACER 4206 system is designed for operation in the 5725 MHz to 5850 MHz unlicensed Industrial, Scientific, and Medical (ISM) frequency band. Radio wave propagation in this band exhibits microwave characteristics, which are ideally suited for point-to-point, line-of-sight communications.
TRACER 4206 System Manual Section 2, Microwave Path Engineering Basics where the variables in the equation are defined as PR PT GT GR λ d L received power (Watts) transmitted power (100 mW (max) for TRACER 4206 - adjustable) transmit antenna gain receive antenna gain carrier wavelength (c / ƒ) (meters) path distance (meters) other losses (RF coaxial cable, etc.) The transmitted power is limited for the 5.8 GHz ISM band to 1W or 30 dBm.
Section 2, Microwave Path Engineering Basics 5. TRACER 4206 System Manual PATH LOSS The expression LP = 4πd ---------- λ 2 4πdf ------------ c = 2 (dB) where f λ d c carrier frequency (Hz) carrier wavelength (c / f) (meters) path distance (meters) speed of light, free-space (meters) is called the path loss, and increases rapidly as either path length increases or carrier wavelength decreases (which happens as the carrier frequency increases).
TRACER 4206 System Manual Section 2, Microwave Path Engineering Basics Where, in the second equation the path loss has been lumped into a single quantity, LP, as discussed previously. When using decibel notation, it is necessary that all quantities are individually converted to decibels prior to performing addition and subtraction. When d is expressed in miles and f in GHz, the path loss expression in decibels becomes LP = 96.
Section 2, Microwave Path Engineering Basics TRACER 4206 System Manual shown in Figure 2 on page 18. The antenna alignment step to setting up a microwave link is in fact steering the main lobes of both antennas until the main lobe of one transmitter is centered on the receiving element of the receiving antenna. main lobe side lobes Figure 2. Typical Antenna Beam Pattern Antennas are also designed to radiate RF energy efficiently for a specific range of frequencies.
TRACER 4206 System Manual Section 2, Microwave Path Engineering Basics Table 3. Minimum Antenna Height for Given Path Lengths Path Length (miles) 2 4 6 8 10 14 16 18 20 22 24 26 28 30 32 34 36 7. Min. Antenna Height (ft) 22 32 41 50 60 81 92 104 117 131 145 161 177 194 213 232 252 COAXIAL CABLE Coaxial cable will be required to attach the TRACER 4206 to the antenna.
Section 2, Microwave Path Engineering Basics TRACER 4206 System Manual Table 4. Typical Coaxial Loss for Common Cable Types, per 100 ft Cable Type Cable Loss (dB/ft) RG-213, RG-214, RG-293 1/4” Coax 3/8” Coax 1/2” Coax 5/8” Coax 5.8 GHz Elliptical Waveguide 20 11.36 9.65 6.49 4.90 1.23 In certain areas where lightning strikes are frequent, a lightning arrestor should be installed directly on the antenna coax.
TRACER 4206 System Manual Section 2, Microwave Path Engineering Basics where the parameters are a b f d F terrain factor climate factor carrier frequency (GHz) path length (miles) fade margin (dB) The terrain factor is a quantity that compensates the link availability for different types of terrain. Generally speaking, the more smooth an area's terrain is, the less availability a wireless link running over that terrain will have, primarily due to multipath reflections.
Section 2, Microwave Path Engineering Basics 22 © 2002 ADTRAN, Inc.
ENGINEERING GUIDELINES CONTENTS Equipment Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Reviewing the Front Panel Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 RSSI Monitoring Interface . . . . . . . . . . . . . . . . . . .
Section 3, Engineering Guidelines 1. TRACER 4206 System Manual EQUIPMENT DIMENSIONS The TRACER 4206 unit is 19” W, 10.5” D, and 1.75” H, weighs 7 lbs, and can be used in rack-mount configurations. 2. POWER REQUIREMENTS The TRACER 4206 system has a maximum power consumption of 25W and a maximum current draw of 1.2A (at 21 VDC). 3.
TRACER 4206 System Manual Section 3, Engineering Guidelines TX PWR Monitoring Interface The TX PWR voltage is a function of the selected transmit power level. This voltage ranges approximately from 0 to 5V, with 0V corresponding to +5 dBm (3 milliwatts) and 5V corresponding to +20 dBm (100 milliwatts). Front Panel LEDs With the TRACER 4206 powered-on, the front panel LEDs provide visual information about the status of the TRACER 4206 system.
Section 3, Engineering Guidelines TRACER 4206 System Manual Table 2. TRACER 4206 LEDs (Continued) For these LEDs... This color light... Indicates that... RF LOW Red (solid) the RSSI level is below suggested minimum threshold. TST Amber (solid) there is an active test being performed by the system or there is an active loopback. 4.
TRACER 4206 System Manual Section 3, Engineering Guidelines DC Power Connection The TRACER 4206 can operate from a supply between 21 and 63 VDC, with either polarity referenced to ground, and consumes less than 25 Watts (W). Power supplies should be able to provide up to 30 W at the selected voltage. Current required (in amps) is determined by dividing the power consumed (in watts) by the applied voltage (in volts). For example, at 48 V, TRACER 4206 would draw approximately 0.521 A (25 W/48 V).
Section 3, Engineering Guidelines TRACER 4206 System Manual RS-232 Connection (Terminal Use) The RS-232 connector provides a female DB-25 terminal connection (wired as a DCE interface), which is used for terminal access to the TRACER 4206 system. The RS-232 port provides the following functions: • Accepts EIA-232 input from a PC or terminal for controlling the TRACER 4206 system • Operates at 9600 bps Table 6 on page 28 shows the pinout.
TRACER 4206 System Manual Section 3, Engineering Guidelines Table 8. TRACER 4206 (DCE) to Personal Computer (DB-9) PIN NAME PIN NAME 2 TX 2 TX 3 RX 3 RX 4 RTS 7 RTS 5 CTS 8 CTS 6 DSR 6 DSR 7 GND 5 GND RS-232 Connection (Modem Use) Modem controls, discussed in Section 5, User Interface Guide, of this manual, will enable or disable modem control through the RS-232 interface.
Section 3, Engineering Guidelines TRACER 4206 System Manual Table 9. TRACER 4206 (DCE) to Modem (DCE) 5. PIN NAME PIN NAME 2 TX 3 RX 3 RX 2 TX 4 RTS 5 CTS 5 CTS 4 RTS 6 DSR 20 DTR 7 GND 7 GND 8 CD 8 CD AT-A-GLANCE SPECIFICATIONS The following is a list of specifications for the TRACER 4206 system.
TRACER 4206 System Manual Hardware Section 3, Engineering Guidelines Description Specification Frequency Plan (continued) Band Plan 1 Tx 5.814 GHz, Rx 5.734 GHz 2 Tx 5.824 GHz, Rx 5.744 GHz 3 Tx 5.833 GHz, Rx 5.753 GHz Plan B T1 Interface Capacity 1.
Section 3, Engineering Guidelines Hardware TRACER 4206 System Manual Description Specification Mechanical and Environmental (continued) Weight 7 lbs Input Voltage 21 to 63 VDC, either polarity referenced to ground Power Consumption < 25 Watts Connector 2 pin terminal block (DC) Fuse 1 amp, 250 Volt slow-blo fuse (2-inch) Power 32 © 2002 ADTRAN, Inc.
NETWORK TURNUP PROCEDURE CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Unpack and Inspect the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Contents of ADTRAN Shipment . . . . . . . .
Section 4, Network Turnup Procedure 1. TRACER 4206 System Manual INTRODUCTION This section discusses the installation process of the TRACER 4206 system. Changes or modifications not expressly approved by ADTRAN could void the user’s authority to operate the equipment. 2.
TRACER 4206 System Manual 4. Section 4, Network Turnup Procedure CHANNEL SELECTION The FCC has allocated 125 MHz of spectrum in the band in which the TRACER 4206 operates. Figure 1 illustrates the bandwidth division. Channel A Band 1 5725 MHz 5734 Channel B Band 2 Band 3 5744 5753 5787 Band 1 Band 2 5814 5824 Band 3 5833 5850 MHz Figure 1. Bandwidth Division To designate the utilization of the ISM bandwidth, there are two different channel plans, labeled A and B.
Section 4, Network Turnup Procedure TRACER 4206 System Manual and the equipment grounding conductors serving these receptacles are to be connected to earth ground at the service equipment. A supplementary equipment grounding conductor shall be installed between the product or system and ground that is in addition to the equipment grounding conductor in the power supply cord. The supplementary equipment grounding conductor shall not be smaller in size than the ungrounded branch-circuit supply conductors.
TRACER 4206 System Manual 7. Section 4, Network Turnup Procedure MOUNTING OPTIONS Install the TRACER 4206 in a location that requires minimal antenna feedline length (the loss in this cable directly affects overall system performance). The TRACER 4206 is designed to be mounted in a rack. If multiple units are installed in one location, one half inch of spacing is recommended above and below the unit. 8.
Section 4, Network Turnup Procedure 38 TRACER 4206 System Manual © 2002 ADTRAN, Inc.
USER INTERFACE GUIDE CONTENTS Navigating the Terminal Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Terminal Menu Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Navigating using the Keyboard Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Terminal Menu and System Control . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 5, User Interface Guide TRACER 4206 System Manual TABLES Table 1. 40 T1 Interface Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 © 2002 ADTRAN, Inc.
TRACER 4206 System Manual 1. Section 5, User Interface Guide NAVIGATING THE TERMINAL MENU The TRACER 4206 menu system can be accessed with a VT100 compatible terminal set to 9600 bits per second, 8 data bits, 1 stop bit, and no parity, connected to the RS-232 port located on the back of the unit. Flow control on the serial interface should be configured to None for proper operation. Once a terminal is connected, pressing will refresh the current screen.
Section 5, User Interface Guide TRACER 4206 System Manual Navigating using the Keyboard Keys You can use various keystrokes to move through the terminal menu, to manage a terminal menu session, and to configure the system. Moving through the Menus To do this... Press this key...
TRACER 4206 System Manual 3. Section 5, User Interface Guide MENU DESCRIPTIONS The remainder of this section describes the TRACER 4206 menus and submenus. The menu structure of the TRACER 4206 system is depicted below as follows: > MENU PAGE > MENU PAGE > MENU SELECTION > MENU PAGE > MENU SELECTION > SUB-MENU >TRACER SYSTEM STATUS Figure 2 shows the TRACER System Status menu page.
Section 5, User Interface Guide TRACER 4206 System Manual Press <0> from any menu in the TRACER 4206 VT100 menu structure to access the TRACER System Status page. >TRACER SYSTEM STATUS > FREQUENCY PLAN Displays the frequency plan (A or B) for the TRACER 4206 unit. For an operational TRACER 4206 system, the local and remote units should display opposite frequency plans. >TRACER SYSTEM STATUS > SITE Displays the site name configured from the TRACER System Configuration page.
TRACER 4206 System Manual Section 5, User Interface Guide >MAIN MENU The TRACER 4206 Main Menu page provides access to all other configuration/status pages. Figure 3 shows the TRACER Main Menu page. Figure 3. Main Menu Use the up and down arrow keys to scroll through the available pages, or enter the number or letter of the selected page (to highlight the menu page) and press . Press from any menu in the TRACER 4206 VT100 menu structure to access the TRACER Main Menu page.
Section 5, User Interface Guide TRACER 4206 System Manual >TRACER SYSTEM CONFIGURATION Figure 4 shows the TRACER System Configuration menu page. System configuration parameters for both the local and remote TRACER 4206 units are available through this menu page. Figure 4. TRACER System Configuration Press from any menu in the TRACER 4206 VT100 menu structure to access the TRACER System Configuration menu page.
TRACER 4206 System Manual Section 5, User Interface Guide >TRACER SYSTEM CONFIGURATION > SITE NAME Enter up to 25 alphanumeric characters to be displayed for identification of the TRACER 4206 system. >TRACER SYSTEM CONFIGURATION > RF BANDPLAN Sets the bandplan for the TRACER 4206. Each channel is divided into four Bandplans (1, 2, 3, or 4). Both local and remote TRACER 4206 must be configured with the same bandplan (1, 2, 3, or 4) but different channel plans (Plan A or Plan B).
Section 5, User Interface Guide TRACER 4206 System Manual >TRACER SYSTEM CONFIGURATION > PASSWORD ENABLE Configures password protection for the VT100 terminal interface. Password protection for the TRACER 4206 requires password input from the TRACER System Status menu page when connecting to the unit. When configured for Password protection, the TRACER 4206 closes any terminal session that remains inactive for more than 10 minutes.
TRACER 4206 System Manual Section 5, User Interface Guide The minimum received signal level (MIN RSL) is represented as a numerical value from 0 to 255 with 0 corresponding to no receive power and 255 corresponding to an extremely hot signal. The minimum received signal level is directly related to RSSI. The error count and received signal level for the most recent 24 hours are recorded and displayed on the right side of the page.
Section 5, User Interface Guide TRACER 4206 System Manual >T1A STATUS/CONFIGURATION/LOOPBACK > T1A INTERFACE ALARMS Displays any active alarms on the T1A link (reported from both the local and remote TRACER 4206 units). These alarms include Red, Blue, Yellow, AIS, and bipolar violations (BPV). See Section 6, Troubleshooting Guide, for more information on these alarms. Table 1. T1 Interface Alarms RED Activates when a local facility failure occurs.
TRACER 4206 System Manual Section 5, User Interface Guide >T1A STATUS/CONFIGURATION/LOOPBACK > LOOP/NORMAL STATE > LINK Activates a loopback at the TRACER 4206 T1A framer towards the wireless link (see Figure 8). Use the LINK loopback to test data path integrity from one unit across the wireless link. Figure 8. T1A Link Loopback >T1A STATUS/CONFIGURATION/LOOPBACK > LOOP/NORMAL STATE > LINE Activates a loopback at the TRACER 4206 T1A framer towards the locally connected T1A equipment (see Figure 9).
Section 5, User Interface Guide TRACER 4206 System Manual T1A performance data is presented as Errored Seconds (ES) and Severely Errored Seconds (SES) on the T1A link. The following events qualify as an ES–AIS, LOS or LOF Alarm Second, a single BPV or excessive zero event, or a single parity bit. An SES is caused by an AIS, LOS or LOF Alarm Second, or excessive Bipolar Violations (BPVs) or framed Parity Bit errors causing a line Bit Error Rate (BER) of 10-6.
TRACER 4206 System Manual Section 5, User Interface Guide Press <3> from any menu in the TRACER 4206 VT100 menu structure to access the T1B Status/Configuration/Loopback menu page. >T1B STATUS/CONFIGURATION/LOOPBACK > T1B INTERFACE ALARMS Displays active alarms on the T1B link reported from both the local and remote TRACER 4206 units. These alarms include Red, Blue, Yellow, AIS, and bipolar violations (BPV). See Table 1 on page 50 for more information on these alarms.
Section 5, User Interface Guide TRACER 4206 System Manual >T1B STATUS/CONFIGURATION/LOOPBACK >LOOP/NORMAL STATE > LINE Activates a loopback at the TRACER 4206 T1B framer towards the wireless link (see Figure 13). Use the LINE loopback to test data path integrity from the TRACER 4206 unit to the T1 equipment. Figure 13. T1B Line Loopback >T1B PERFORMANCE HISTORY Figure 14 shows the T1B Performance History menu page.
TRACER 4206 System Manual Section 5, User Interface Guide left side of the page displays the 24 hour totals for the most recent 7 days. Press to view the next 8 hours worth of 15 minute totals and to view the previous 8 hours. Press <4> from any menu in the TRACER 4206 VT100 menu structure to access the T1B Link Performance History page. >T1C STATUS/CONFIGURATION/LOOPBACK Figure 15 shows the T1C Status/Configuration/Loopback menu page.
Section 5, User Interface Guide TRACER 4206 System Manual >T1C STATUS/CONFIGURATION/LOOPBACK > T1C INTERFACE ALARMS Displays and active alarms on the T1C link reported from both the local and remote TRACER 4206 units. These alarms include Red, Blue, Yellow, AIS, and bipolar violations (BPV). See Table 1 on page 50, for more information on these alarms. >T1C STATUS/CONFIGURATION/LOOPBACK > T1C LINE BUILD OUT Configures the T1C for the appropriate line buildout, based on the distance to the T1C equipment.
TRACER 4206 System Manual Section 5, User Interface Guide >T1C STATUS/CONFIGURATION/LOOPBACK > LOOP/NORMAL STATE > LINE Activates a loopback at the TRACER 4206 T1C framer towards the wireless link (see Figure 17). Use the LINE loopback to test data path integrity from the TRACER 4206 unit to the T1 equipment. Figure 17. T1C Line Loopback >T1C PERFORMANCE HISTORY Figure 18 shows the T1C Performance History menu page.
Section 5, User Interface Guide TRACER 4206 System Manual Press to view the next 8 hours worth of 15 minute totals and to view the previous 8 hours. Press <6> from any menu in the TRACER 4206 VT100 menu structure to access the T1C Link Performance History page. >T1D STATUS/CONFIGURATION/LOOPBACK Figure 19 shows the T1D Status/Configuration/Loopback menu page.
TRACER 4206 System Manual Section 5, User Interface Guide >T1D STATUS/CONFIGURATION/LOOPBACK > T1D LINE BUILD OUT Configures the T1D for the appropriate line buildout, based on the distance to the T1D equipment. >T1D STATUS/CONFIGURATION/LOOPBACK > ALARM REPORTING Determines whether the TRACER 4206 unit will report active alarms. If DISABLED, no alarms will be displayed on this menu page. The Alarm Reporting parameter is independently configured for local and remote TRACER 4206 units.
Section 5, User Interface Guide TRACER 4206 System Manual >T1D PERFORMANCE HISTORY Figure 22 shows the T1D Performance History menu page. The T1D Performance History menu page displays detailed error statistics for the T1D link (from both the local and remote TRACER 4206 units) in 15 minute increments. Figure 22. T1D Performance History T1D performance data is presented as Errored Seconds (ES) and Severely Errored Seconds (SES) on the T1D link.
TROUBLESHOOTING GUIDE CONTENTS Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 PWR LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 TST LED . . . . . . . . . . . . .
Section 6, Troubleshooting Guide 1. TRACER 4206 System Manual OVERVIEW This troubleshooting guide provides recommended actions for various conditions of the TRACER 4206 system. The status LEDs (located on the front panel of the unit) provide information to help determine the necessary troubleshooting action. Recommended actions for resolving possible status LED indicators are contained in this guide. 2.
TRACER 4206 System Manual Section 6, Troubleshooting Guide RF LOW LED If the RF LOW LED is ON (solid Red), it is an indicator that the received signal is within 10 dB (approximately) of the minimum operable signal. This condition is typically indicative of a path problem. Recommended Actions: 1. Verify the far-end transmitter power setting is the value that the link planning budget allows. 2. Check all coaxial cable connectors for solid connections.
Section 6, Troubleshooting Guide TRACER 4206 System Manual Blue Alarm A remote alarm (alarm indication signal or AIS) is generated by the attached equipment. The root cause must be determined at the attached equipment. A typical cause of a blue alarm is a lack of input to a CSU. Recommended Actions: 1. Verify the input to any attached data equipment. BPV Bipolar violations (BPVs) indicate an improper configuration or faulty wiring. Recommended Actions: 1.
TRACER 4206 System Manual Section 6, Troubleshooting Guide 3. Examine the PLAN A and PLAN B lights on the front panel of each unit. These LEDs indicate the frequency plan for each TRACER 4206 unit. The frequency plan (PLAN A, PLAN B) LED should be the opposite on both TRACER 4206 units. 4. Attach the RF coaxial cables to be used in the permanent installation to the N-type connectors on the base of the TRACER 4206 unit.
Section 6, Troubleshooting Guide TRACER 4206 System Manual Installing/Configuring T1 Hardware 1. If possible, attach any or all of the intended T1 hardware to the TRACER 4206 units using the same work bench setup. This step offers the perfect opportunity to configure your T1 hardware for proper functioning with the TRACER hardware. 2. Resolve any remaining T1 equipment-to-TRACER 4206 configuration issues before field installation, if possible.
