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Troubleshooting
Related Manuals for ADTRAN TRACER 2xT1
Summary of Contents for ADTRAN TRACER 2xT1
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Page 1: Instruction Manual
Instruction Manual The following pages contain a preliminary copy of the User’s Manual for the TRACER. ADTRAN, Inc. respectfully requests that this information be withheld from public inspection. ADTRAN, Inc. M/N: 4280TRACERT1L9-A and 4280TRACERT1L9-B FCC ID: HDCTRACERL9... - Page 2 ® TRACER 2xT1 User’s Manual TRACER 2xT1 User’s Manual Preliminary 61280003L2-1B...
- Page 3 61280003L2-1B Preliminary TRACER 2xT1 User’s Manual...
- Page 4 • Consult the dealer or an experienced radio/TV technician for help. W A R N I N G Changes or modifications not expressly approved by ADTRAN could void the user’s authority to operate the equipment. Shielded Cables A shielded-type power cord is required in order to meet FCC emission limits and also to prevent interference with nearby radio and television reception when using the AC voltage adapter.
- Page 5 During installation and alignment of the antenna, do not handle or touch the front of the antenna. These simple precautions must be taken to prevent general population and installation personnel from exposure to RF energy in excess of specified MPE levels. Preliminary TRACER 2xT1 User’s Manual...
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Page 6: Table Of Contents
VT-100 RS-232 Interface ..................6 Alarm Contacts ......................6 IF Signal ........................6 Power ......................... 6 Controls and Indicators ....................6 Non-Volatile Memory ....................8 Built-In Tests ......................8 Radio Frequency Convertor or RFC ................8 Antenna ........................10 Preliminary TRACER 2xT1 User’s Manual... - Page 7 Directions for Changing the Frequency Plan on the Mast Mount RFC ....20 Connecting the BBP and the RFC ..................... 20 Applying Power ......................... 20 Automatic BBP Frequency Plan ....................20 Spreading Code ......................... 21 Preliminary TRACER 2xT1 User’s Manual...
- Page 8 Channel A Statistics Page ..................31 Channel B Statistics Page ..................32 Alarm Page ......................32 Test Menu ........................ 33 Configuration Menu ....................34 Remote Access .......................... 35 Section 4 Troubleshooting General............................37 Problem Descriptions and Recommended Actions ..............37 Preliminary TRACER 2xT1 User’s Manual...
- Page 9 SES Values in History Menu ..............46 Section 5 Specifications Transmitter ..........................47 Receiver ............................. 47 Frequency Plan .......................... 47 Spread Spectrum Data Pump ..................... 47 Interface Specifications ......................47 User Interface ..........................47 VT-100 Terminal Interface ......................48 Preliminary TRACER 2xT1 User’s Manual...
- Page 10 Repairs and Returns ........................49 Technical Support ........................49 Glossary Acronyms Used in This Manual ....................51 Appendix A Cable Connections Terminal Connection (DB25) ....................A-1 Personal Computer Connection (DB9) ..................A-1 Modem Connection (DB25) ....................A-2 Preliminary TRACER 2xT1 User’s Manual...
- Page 11 3-8. Channel B Statistics Page ................... 32 Alarm Page ......................... 32 3-10. Test Menu ........................33 3-11 T1 Loopback Locations ....................33 3-12. Configuration Menu ....................34 3-13. Remote Current System Status ................... 35 Preliminary viii TRACER 2xT1 User’s Manual...
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Page 12: Section 1 Tracer Description
CR5-2/43 Signaling - test to Table 5-1 (>20 ft) Steady State Power Induction CR5-4/45 C-Message -Signaling-test to test condition (>20 ft) Conditional Requirements CR5-9/50 Signaling - test to Table 5-3 (>20 ft) CR5-11/52 C-Message weighted metallic noise test (>20 ft) TRACER 2xT1 User’s Manual Preliminary... -
Page 13: Applications
Many different pseudorandom sequences exist. The sequences are called pseudorandom because, although they appear noise-like, they are determinant and repeat after a specific number of chips. The longer a code is, the better correlation characteristics it possesses. These traits allow multiple spread Preliminary TRACER 2xT1 User’s Manual... -
Page 14: Channel Selection
The data in a T1 stream is delimited by framing bits. The pattern of the framing bits follows one of two formats -- extended superframe ( ESF) or superframe (SF). The T1 interface must be prepared for the format that will be used. TRACER 2xT1 User’s Manual Preliminary... -
Page 15: Line Code
The following section describes the system components. Baseband Processor or BBP The BBP (ADTRAN part number 1280003L2) is a 1-U, 19-inch rackmountable unit that provides the system electrical interfaces, user controls and indicators, and performs the spread spectrum processing for the system. -
Page 16: Ds1/Dsx-1 Interface
TX and RX pairs to meet the connecting arrangement of a network interface device. For connections to other CPE-type equipment, such as an ADTRAN TSU-100, a straight-through T1 cable is provided by ADTRAN (part number 3127004) and is included with the BBP. -
Page 17: Vt-100 Rs-232 Interface
RFC. A coaxial cable (ADTRAN part number 3125RF027@A) is provided for connecting the BBP to the RFC for the rackmount model. Cable for connecting the BBP to a mastmount RFC must be provided by the customer after the length of cable has been determined. -
Page 18: Bbp Front Panel (With Door Open)
LBKA ......Toggles the T1-A between no loopback and line loopback LBO ......Selects TI line buildout. Template on right edge of faceplate designates switch setting. LBKB ......Toggles the T1-B between no loopback and line loopback TRACER 2xT1 User’s Manual Preliminary... -
Page 19: Non-Volatile Memory
The major connections illustrated in Figure 1-8 are transmit signal, receive signal, and the IF signal connection. The RFC unit is enclosed in a metal enclosure approximately 9.5 inches x 5.5 inches x 1 inch and is mounted in a 1-U, 19-inch rackmountable housing or mastmountable, weatherproof enclosure. Preliminary TRACER 2xT1 User’s Manual... -
Page 20: Rfc Module
The IF connector provides the connection between the baseband processor and the rackmounted or mastmounted RFC. (An 8-inch IF cable [ADTRAN part # 3125RF027@A] is provided for rackmount systems). The TO ANTENNA connection provides the connection between the RFC and the antenna. A block diagram of the RFC functions is show in Figure 1-9. -
Page 21: Antenna
The antenna requirements are listed below. Antenna 100 mw Minimum gain ....15 dBi ..... 6 dBi Minimum return loss ..15 dB ....15 dB Connector ......N-type ..... N-type Impedance ......50Ω ....50Ω Preliminary TRACER 2xT1 User’s Manual... -
Page 22: Section 2 Installation
• Consult the dealer or an experienced radio/TV technician for help. W A R N I N G Changes or modifications not expressly approved by ADTRAN could void the user’s authority to operate the equipment. SHIELDED CABLES A shielded-type power cord is required in order to meet FCC emission limits and also to prevent interference with nearby radio and television reception when using the AC voltage adapter. -
Page 23: Unpack, Inspect
Carefully inspect the TRACER for any shipping damages. If damage is suspected, file a claim immediately with the carrier then contact ADTRAN Customer Service. If possible, keep the original shipping container for use in shipping the TRACER back for repair or for verification of damage during shipment. -
Page 24: Installation
The supplemental equipment grounding terminals are located on the rear of the BBP adjacent to the power connectors and on the rear of the rackmounted RFC. TRACER 2xT1 User’s Manual Preliminary... -
Page 25: Ds1/Dsx-1 Interface
Tx and Rx pairs to meet the connecting arrangement of a network interface device. This cable, labelled “T1 Crossover,” is included with the BBP. For connections to other CPE-type equipment, such as an ADTRAN TSU, a straight-through T1 cable (ADTRAN part number 3127004) is included with the BBP. -
Page 26: Link Planning
(in feet) (in dBi) (in dBi) 2 ........21 ........28.5 4 ........27 ........34.2 6 ........31 ........37.5 8 ........33 ........40.7 10 ........35 ........42.5 12 ........37 ........44.2 TRACER 2xT1 User’s Manual Preliminary... -
Page 27: Path Loss
F is the fade margin in dB Climate factors are given below. Climate Climate Factor Very Dry ............Temperate ............Humid ..............Terrain factors are listed below. Terrain Terrain Factor Smooth ............... 4 Average .............. 1 Mountainous ............. Preliminary TRACER 2xT1 User’s Manual... -
Page 28: Setting The Transmitter Power
TX and RX cables in the RFC chassis. If a frequency reversal is required, the rackmount RFCs will have to be relocated to the opposite ends of the microwave path. The 1 watt option is only available for the 2.4 GHz, rackmount Tracer systems. TRACER 2xT1 User’s Manual Preliminary... -
Page 29: Setting The Rfc Frequency Plan On Non 1 Watt 2.4 Ghz Models
7. Realign the diplexer with the screw holes and replace the four screws that attach it to the bottom of the RFC. 8. Reattach the loose cable assembly (from step 4) to the port labelled “Antenna” on the diplexer. Preliminary TRACER 2xT1 User’s Manual... -
Page 30: Setting The Rfc Frequency Plan On 5.8 Ghz Models
Plan B RFC “Tx” connected to diplexer “CHAN 1” RFC “Tx” connected to diplexer “CHAN 2” RFC “Rx” connected to diplexer “CHAN 2” RFC “Rx” connected to diplexer “CHAN 1” Figure 2-2. 5.8 GHz Diplexer TRACER 2xT1 User’s Manual Preliminary... -
Page 31: Directions For Changing The Frequency Plan On The Rack Mount Rfc
4. Reinstall the lid of the Mast RFC. CONNECTING THE BBP AND THE RFC The BBP and the RFC are connected by an IF cable, either supplied by ADTRAN (for rackmount assembly) or by the customer (for mastmount assembly). This single connection provides everything the RFC requires. -
Page 32: Spreading Code
RSSI varies approximately from 0 to 4 volts, with 0 volts corresponding to a weaker received signal and 4 volts corresponding to a stronger received signal. TRACER 2xT1 User’s Manual Preliminary... -
Page 33: Rf Low
Under normal operating conditions there is no continuity between the Normally-open and Common contacts and under an alarm condition continuity between those contacts exists. The Normally-closed and Common contacts normally have continuity, while under alarm conditions, these contacts are open. Preliminary TRACER 2xT1 User’s Manual... -
Page 34: Section 3 Operation
Status and command remote (SAC) units were employed in the central office to convert discrete (contact closure) alarms from monitored equipment into E-telemetry for efficient transfer of data to and from the operations center. Preliminary TRACER 2xT1 User’s Manual... -
Page 35: Rear Panel Connectors
_______ ______| |______ | MANAGEMENT OUT | (TOP CONNECTOR) PIN 8 |_|_|_|_|_|_|_|_|_| PIN 1 ___________________ PIN 1 |_|_|_|_|_|_|_|_|_| PIN 8 | MANAGEMENT IN | (BOTTOM CONNECTOR) |_____ ______| |____| Figure 3-1. Rear Panel Connectors Preliminary TRACER 2xT1 User’s Manual... - Page 36 T1B AIS (Blue Alarm) 0 = Normal, 1 = Alarm 4 / 5 Alarm T1B Transmit AIS 0 = Normal, 1 = Alarm 4 / 6 Unused 4 / 7 Unused 4 / 8 Unused TRACER 2xT1 User’s Manual Preliminary...
- Page 37 Active when the far end T1B equipment is in red alarm T1B AIS (Blue Alarm) Active when the T1B DS1/DSX-1 is receiving a blue code (all ones) T1B Transmit AIS Active when the T1B DS1/DSX-1 is transmitting a blue code (all ones) Preliminary TRACER 2xT1 User’s Manual...
- Page 38 Major and minor alarm contacts are provided on the rear of the baseband processor. A major alarm indicates the radio link is not operational. A minor alarm indicates that system performance is degraded or that the T1 interfaces are experiencing errors. TRACER 2xT1 User’s Manual Preliminary...
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Page 39: Rf Down System Status
(via another menu option) to check the status of the T1 interfaces at the remote end. Current System Status Elapsed Time 00:01:09 -——- Adtran Technical Support - 800/726-8663 --—— T1AT1A ===| / ->>--——>>—--—>>—--[??????]—--—>>—--—>>—--—>>-> \ |=== T1A... -
Page 40: Main Menu Selections
“x.” The Code Sync, Carrier Sync, and T1 Mux Sync will all be “yes” for an operational link. Chipping code indicates the code to which the system is set. At any point in the VT-100 menu structure, pressing the Escape key will bring the operator back to this screen. TRACER 2xT1 User’s Manual Preliminary... -
Page 41: Main Menu Page
B8ZS (*) B8ZS (*) Line Build Out DS1 0dB (*) DS1 0dB (*) (*) Indicates last set by front panel. Otherwise last set by terminal. =============================================================================== Press ‘m’ - Main menu Figure 3-5. T1 Status Page Preliminary TRACER 2xT1 User’s Manual... -
Page 42: Link Performance History
-30: --- --- -15: --- --- -31: --- --- -16: --- --- -32: --- --- =============================================================================== Press ‘m’ - Main menu, ‘p’ - Prev pg, ‘n’ - Next pg: Figure 3-7. Channel A Statistics Page TRACER 2xT1 User’s Manual Preliminary... -
Page 43: Channel B Statistics Page
Code Sync Alarm Carrier Sync Alarm T1Mux Framer Alarm RX LOS (Red) Alarm RX AIS (Blue) Alarm RX Yellow Alarm BPV Alarm TX AIS (Blue) Alarm ===================================================================== Press ‘m’ for Main Menu: Figure 3-9. Alarm Page Preliminary TRACER 2xT1 User’s Manual... -
Page 44: Test Menu
Loops the remote T1-A Interface towards the local customer equipment, over the RF Link. Loops the remote T1-B Interface towards the local customer equipment, over the RF Link. T1-A T1-A RF Link T1-B T1-B Local Remote Figure 3-11. T1 Loopback Locations TRACER 2xT1 User’s Manual Preliminary... -
Page 45: Configuration Menu
A and the other set to B. This function is automatically set when the BBP is attached to the corresponding RFC. Reset All Statistics resets all the error counters. Enable/Disable Password allows password protection to be enabled or disabled. The default setting is Disabled. Change Password allows the password to be set. Preliminary TRACER 2xT1 User’s Manual... -
Page 46: Remote Access
VT-100 terminal at the remote end of the link. Every screen that can be accessed at the local radio can be accessed at the remote radio via this option. Remote Current System Status Elapsed Time 00:21:13 ----- ADTRAN Technical Support - 256/963-8716 ----- | C | / ->>---->>---->>--->[RF UP]>---->>---->>---->>- \ | C |... - Page 47 61280003L2-1B Section 3 Operation Preliminary TRACER 2xT1 User’s Manual...
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Page 48: Section 4 Troubleshooting
(or numbers) corresponding to a Recommended Action (or Actions). I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. Troubleshooting using the front panel indicators “Link Error”... -
Page 49: Bpv" Light On T1-A Or B Is Lit
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. Recommended Actions: 1. Check the RX power using the VT-100 user interface or RSSI voltage. -
Page 50: Lbk-A" Or "Lbk-B" Is Lit
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. Recommended Actions: Verify the presence of a DS1/DSX-1 signal at the T1 monitor jack using a T1 test set. -
Page 51: Ais/Yel" Indicator Is Flashing
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. “AIS/YEL” indicator is flashing This alarm is activated when the T1 interface at the remote end is not receiving a T1 signal (it is in Red alarm). -
Page 52: Test" Light Is Lit Or Blinking
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. “Test” light is lit or blinking The test alarm will remain on (solid) during power-up, indicating a self-test is in progress. The light will flash or remain on (solid) if the self-test fails. -
Page 53: Fail" Light Is Lit After Pressing "Remote Test" Button
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. “Fail” light is lit after pressing “Remote Test” button The Remote Fail light will activate after a Remote Test has failed. -
Page 54: Troubleshooting Using The Vt-100 User Interface
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. Troubleshooting Using the VT-100 User Interface This section provides information for troubleshooting the Alarm Menu on the VT-100 user interface. The conditions present in the Alarm Menu are software indications and should match the front panel LED indications. -
Page 55: Yel/Ais Alarm
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. YEL/AIS Alarm This alarm indicator will flash when a T1 Yellow alarm occurs. The indicator will remain on (solid) to indicator an AIS alarm when the DS1/DSX-1 is receiving a blue code (a string of 2316 1’s with no more... -
Page 56: Carrier Sync Alarm Or T1 Mux Framer Alarm
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. Recommended Actions: 1. Check the RX power using the VT-100 user interface or RSSI voltage. -
Page 57: Es Values In T1 Status Menu
61280003L2-1B Section 4 Troubleshooting I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (800) 726-8663. Recommended Actions: 1. Check the RX power using the VT-100 user interface or RSSI voltage. -
Page 58: Section 5 Specifications
Front Panel ......Alarm LEDs, Configuration Switches, Monitor Jacks Diagnostics ........T1 Loopback, Remote Test with built-in BERT Test Points ........RSSI, System Voltages, QPSK Constellation VT-100 Terminal..Menu-Driven User Interface, Control of the Remote End, Password Protected (Optional), Event History Preliminary TRACER 2xT1 User’s Manual... -
Page 59: Vt-100 Terminal Interface
Weight ....................... 18 lbs. Power Input Voltage ....21 to 60 volts DC, either polarity referenced to ground Power Consumption ................30 watts Connector ..3 pin DIN (AC adapter), 3 pin screw clamp terminal block (DC) Preliminary TRACER 2xT1 User’s Manual... -
Page 60: Warranty
ECTION WARRANTY ADTRAN will replace or repair this product within five years from the date of shipment if it does not meet its published specifications or fails due to defects in materials and workmanship. For detailed warranty, repair, and return information, refer to the ADTRAN Equipment Warranty, Repair, and Return Policy and Procedure located on the ADTRAN web site at http://www.adtran.com. - Page 61 61280003L2-1B Section 6 Warranty, Ordering and Return Information Preliminary TRACER 2xT1 User’s Manual...
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Page 62: Glossary
ISM ............Industrial, Scientific, and Medical LBK ............Loopback QPSK ............Quadrature Phase Shift Keying RF ............Radio frequency RFC ............Radio frequency converter RSSI ............Received signal strength indicator Rx ............Receive SF ............Superframe Tx ............Transmit Preliminary TRACER 2xT1 User’s Manual... - Page 63 61280003L2-1B Glossary Preliminary TRACER 2xT1 User’s Manual...
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Page 64: Terminal Connection (Db25
2 ....TXD 3 ..... RXD 3 ....RXD 2 ..... TXD 4 ....RTS 5 ....CTS 5 ....CTS 4 ....RTS 6 ....DSR 20 .... DTR 7 .... Ground 7 ... Ground Preliminary TRACER 2xT1 User’s Manual... - Page 65 _______ ______| |______ | MANAGEMENT OUT | (TOP CONNECTOR) PIN 8 |_|_|_|_|_|_|_|_|_| PIN 1 ___________________ PIN 1 |_|_|_|_|_|_|_|_|_| PIN 8 | MANAGEMENT IN | (BOTTOM CONNECTOR) |_____ ______| |____| Figure 3-1. Rear Panel Connectors Preliminary TRACER 2xT1 User’s Manual...