Manuali utente per Adtran TRC582TM1

Sommario

• Introduction

  1
• ISM Band Spread Spectrum

  1
• NEBS

  1
• Applications

  2
• Spread Spectrum

  2
• Direct Sequence

  2
• Coding

  2
• Channel Selection

  3
• Forward Error Correction

  3
• T1 Operation

  3
• Framing

  3
• Line Code

  4
• DS1/DSX-1 Interface

  4
• Line Buildout or LBO

  4
• TRACER System Configuration

  4
• Baseband Processor or BBP

  4
• DS1/DSX-1 Interface

  5
• 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
• Radio Frequency Interference Statement

  11
• Shielded Cables

  11
• FCC Output Power Restrictions

  11
• Exposure to Radio Frequency Fields

  11
• Unpack, Inspect

  12
• Rackmounted RFC Configuration

  12
• Mastmounted RFC Configuration

  12
• Installation

  13
• Location and Mounting

  13
• Power Requirements

  13
• Grounding

  13
• DS1/DSX-1 Interface

  14
• Link Planning

  15
• Antenna Feedline Loss

  15
• Antenna Gain

  15
• Path Loss

  16
• Path Availability

  16
• Setting the Transmitter Power

  17
• 2.4 GHz, 1 Watt Transmitter Option

  17
• Setting the RFC Frequency Plan on Non 1 Watt 2.4 GHz Models

  18
• Setting the RFC Frequency Plan on 5.8 GHz Models

  19
• Directions for Changing the Frequency Plan on the Rack Mount RFC

  20
• 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
• Co-Locating Multiple Systems

  21
• Antenna Alignment

  21
• RF Low

  22
• Remote BERT

  22
• Alarm Contacts

  22
• VT-100 User Interface

  23
• RS-232 Interface

  23
• Modem Connection

  23
• Telemetry Byte Oriented Serial Interface

  23
• RF Down System Status

  28
• Cable Connections

  28
• Password

  28
• Main Menu Selections

  29
• System Status Page

  29
• Main Menu Page

  30
• T1 Status Page

  30
• Link Performance History

  31
• Channel A Statistics Page

  31
• Channel B Statistics Page

  32
• Alarm Page

  32
• Test Menu

  33
• Configuration Menu

  34
• Remote Access

  35
• General

  37
• Problem Descriptions and Recommended Actions

  37
• Troubleshooting using the front panel indicators

  37
• “Link Error” light is lit, or link is down

  37
• “BPV” light on T1-A or B is lit

  38
• RED light on T1-A or B is lit

  38
• “LBK-A” or “LBK-B” is lit

  39
• “AIS/YEL” on T1-A or T1-B is lit

  39
• “AIS/YEL” indicator is flashing

  40
• No “Power” light

  40
• “Test” light is lit or blinking

  41
• “TST” light is lit after pressing “Remote Test” button

  41
• “Fail” light is lit after pressing “Remote Test” button

  42
• “RF Low” light is on

  42
• Troubleshooting Using the VT-100 User Interface

  43
• RED Alarm

  43
• BLV Alarm

  43
• YEL/AIS Alarm

  44
• RF Link Alarm or Code Sync Alarm

  44
• Carrier Sync Alarm or T1 Mux Framer Alarm

  45
• ES Values in T1 Status Menu

  46
• SES Values in History Menu

  46
• Transmitter

  47
• Receiver

  47
• Frequency Plan

  47
• Spread Spectrum Data Pump

  47
• Interface Specifications

  47
• User Interface

  47
• VT-100 Terminal Interface

  48
• Mechanical & Environmental

  48
• Power

  48
• Warranty

  49
• Sales

  49
• Repairs and Returns

  49
• Technical Support

  49
• Acronyms Used in This Manual

  51
• Typical Application

  2
• Bandwidth Division

  3
• BBP

  4
• BBP Rear Panel

  5
• BBP Block Diagram

  5
• BBP Front Panel (with door closed)

  6
• BBP Front Panel (with door open)

  7
• RFC Module

  9
• RFC Function Block Diagram

  9
• Mastmount RFC Housing

  10
• Rackmount RFC Housing

  10
• 2.4 GHz Diplexer

  18
• 5.8 GHz Diplexer

  19
• Rear Panel Connectors

  24
• System Status Page

  28
• System Status Page

  29
• Main Menu Page

  30
• T1 Status Page

  30
• Link Performance History Page

  31
• Channel A Statistics Page

  31
• Channel B Statistics Page

  32
• Alarm Page

  32
• Test Menu

  33
• T1 Loopback Locations

  33
• Configuration Menu

  34
• Remote Current System Status

  35
• Smooth

  4
• Average

  1
• The RF link is down.

  1
• Both units are not set to the same PN code

  6
• The BBP or RFC is faulty.

  10
• The incoming T1 contains BPVs or errors.

  1
• TRACER are incompatible.

  2
• The connection at the T1 input or DS1/DSX-1 equipment is faulty.

  2
• far-end T1, indicating the far-end T1 is RED.

  3
• The connection at the T1 input or DS1/DSX-1 equipment is faulty.

  2
• The polarity of the power connection is reversed.

  2
• One-flash interval indicates a RAM test failure.

  1
• Two-flash interval indicates the T1-C mux failed internal test.

  1
• Three-flash interval indicates the T1-A framer failed.

  1
• Four-flash interval indicates the T1-B framer failed.

  1
• Five-flash interval indicates a DSP failure.

  1
• On (solid) indicates a faulty internal component.

  1
• button or the VT-100 user interface.

  1
• The 10-second BERT has failed over the RF link to the far-end.

  1
• (-90 dBm 5.8 GHz)

  1
• The connection at the T1 input or DS1/DSX-1 equipment is faulty.

  2
• The incoming T1 contains BPVs or errors.

  1
• TRACER are incompatible.

  2
• transmitting a yellow alarm.

  3
• The RF link is down.

  1
• Both units are not set to the same PN code.

  6
• The BBP or RFC is faulty.

  10
• The RF link is down.

  1
• Both units are not set to the same PN code.

  6
• The BBP or RFC is faulty.

  10
• In an AMI-coded T1, a BPV or frame bit error has occurred.

  1
• In an ESF-coded T1, a BPV or CRC error has occurred.

  1
• In an AMI-coded T1, 1544 BPVs or 8 frame bit errors have occurred.

  1
• In an ESF-coded T1, 1544 BPVs or 320 CRC errors have occurred.

  1
• Number of Codes

  10
• Data Bits

  8
• Stop Bits

  1