Manuali utente per Adtran TRACERT1L7

Sommario

• TRACER DESCRIPTION

  1
• INTRODUCTION

  1
• ISM BAND SPREAD SPECTRUM

  1
• APPLICATIONS

  2
• SPREAD SPECTRUM

  2
• Direct Sequence

  3
• Coding

  3
• CHANNEL SELECTION

  3
• FORWARD ERROR CORRECTION

  4
• T1 OPERATION

  4
• Framing

  4
• Line Code

  4
• DS1/DSX-1 Interface

  5
• Line Buildout or LBO

  5
• TRACER SYSTEM CONFIGURATION

  6
• Baseband Processor or BBP

  6
• DS1/DSX-1 Interface

  6
• VT-100 RS-232 Interface

  8
• Alarm Contacts

  8
• IF Signal

  8
• AC/DC Power

  9
• Controls and Indicators

  9
• Radio Frequency Convertor or RFC

  11
• Antenna

  13
• INSTALLATION

  15
• UNPACK, INSPECT

  15
• RACK-MOUNTED RFC CONFIGURATION

  15
• MAST-MOUNTED RFC CONFIGURATION

  15
• INSTALLATION

  16
• LOCATION

  16
• POWER REQUIREMENTS

  16
• GROUNDING

  16
• DS1/DSX-1 INTERFACE

  18
• LINK PLANNING

  19
• ANTENNA FEEDLINE LOSS

  20
• ANTENNA GAIN

  20
• PATH LOSS

  21
• PATH AVAILABILITY

  21
• SETTING THE TRANSMITTER POWER

  22
• SETTING THE RFC FREQUENCY PLAN

  23
• CONNECTING THE BBP AND THE RFC

  24
• APPLYING POWER

  25
• SETTING THE BBP FREQUENCY PLAN

  25
• SPREADING CODE

  25
• CO-LOCATING MULTIPLE 2.4 GHZ SYSTEMS

  25
• ANTENNA ALIGNMENT

  26
• RF LOW

  27
• REMOTE BERT

  27
• ALARM CONTACTS

  27
• OPERATION

  29
• VT-100 USER INTERFACE

  29
• RS-232 INTERFACE

  29
• CABLE CONNECTIONS

  29
• PASSWORD

  30
• MAIN MENU SELECTIONS

  31
• SYSTEM STATUS PAGE

  31
• MAIN MENU PAGE

  32
• T1 STATUS PAGE

  32
• CHANNEL A STATISTICS PAGE

  33
• CHANNEL B STATISTICS PAGE

  33
• ALARM PAGE

  34
• TEST MENU

  34
• CONFIGURATION MENU

  35
• TROUBLESHOOTING

  37
• GENERAL

  37
• PROBLEM DESCRIPTIONS AND RECOMMENDED ACTIONS

  38
• TROUBLESHOOTING USING THE FRONT PANEL INDICATORS

  38
• “Link Error” light is lit, or link is down

  38
• “BPV” light on T1-A or B is lit

  39
• RED light on T1-A or B is lit

  39
• “LBK-A” or “LBK-B” is lit

  40
• “AIS/YEL” on T1-A or T1-B is lit

  40
• “AIS/YEL” indicator is flashing

  41
• No “Power” light

  41
• “Test” light is lit or blinking

  42
• “RF Low” light is on

  43
• RED Alarm

  44
• BLV Alarm

  44
• YEL/AIS Alarm

  45
• RF Link Alarm or Code Sync Alarm

  46
• Carrier Sync Alarm or T1 Mux Framer Alarm

  47
• ES Values in T1 Status Menu

  48
• SES Values in History Menu

  48
• SPECIFICATIONS

  49
• TRANSMITTER

  49
• RECEIVER

  49
• FREQUENCY PLANS

  49
• SPREAD SPECTRUM DATA PUMP

  49
• INTERFACE SPECIFICATIONS

  50
• USER INTERFACE

  50
• VT-100 TERMINAL INTERFACE

  50
• MECHANICAL & ENVIRONMENTAL

  50
• POWER

  51
• WARRANTY, ORDERING AND RETURN INFORMATION

  53
• WARRANTY

  53
• SALES

  53
• REPAIRS AND RETURNS

  53
• TECHNICAL SUPPORT

  54
• GLOSSARY

  55
• ACRONYMS USED IN THIS MANUAL

  55
• 1-1. Typical Application

  2
• 1-2. Bandwidth Division

  3
• 1-3. BBP

  6
• 1-4. BBP Rear Panel

  6
• 1-5. BBP Block Diagram

  7
• 1-6. BBP Front Panel (with door closed)

  9
• 1-7. BBP Front Panel (with door open)

  9
• 1-8. RFC Module

  11
• 1-9. RFC Function Block Diagram

  12
• 1-10. Mast-Mount RFC Housing

  13
• 1-11. Rack-Mount RFC Housing

  13
• 2-1. Diplexer

  23
• System Status Page

  31
• Main Menu Page

  32
• T1 Status Page

  32
• Channel A Statistics Page

  33
• Channel B Statistics Page

  33
• Alarm Page

  34
• Test Menu

  34
• T1 Loopback Locations

  35
• Configuration Menu

  35
• Smooth

  4
• Average

  1
• Ground

  7
• • 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
• and the Tracer are incompatible.

  2
• equipment is faulty.

  2
• end T1 is RED.

  3
• equipment is faulty.

  2
• The polarity of the power connection is reversed.

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

  1
• 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
• interface.

  1
• the far-end.

  1
• threshold.

  1
• equipment is faulty.

  2
• • The incoming T1 contains BPVs or errors.

  1
• equipment and the 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
• occurred.

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

  1
• occurred.

  1
• occurred.

  1
• Number of Codes

  10
• Data Bits

  8
• Stop Bits

  1