Harris Constellation - OC3 Remote Loopback; Figure 5-5: OC3 Remote Loopback Test

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Constellation™ 2002 June 20

5-6

OC3 Remote Loopback

Customer test equipment is required for this test. This test loops back the signal

from the far end to the near end. See

Figure 5-5

You need to access the hidden Control submenu to conduct the OC3 loopback

test.

From the Keypad, select

CONTROL > hidden menu (F1 + F3 or Ctrl B) > OC3 RMT LPBK

Figure 5-5: OC3 remote loopback test

Tra n s mi t t er

Assembly

HLM-155

Hi Cap

Modem

ACU

Receiver

Assembly

ACU

Local Terminal

Remote Terminal

Customer

test set

Hi Cap

Modem

HLM-155

Wayside

Tran s mit t e r

Assembly

Receiver

Assembly

Wayside

STM1/

STS3

OC3

STM1/

STS3

OC3

Main Page

Default Chapter5
- Table of Contents5
Customer Service19
- Contact Information19
Chapter 1, Introduction21
- About this Manual21
- Notices21
- Related Publications22
- The Constellation Radio22
  - Narrow/Medium Capacity Radio23
  - High Capacity Radio23
- Physical Description23
- Shelf Configurations25
- Figure 1-2: Narrow/Medium Capacity, Nonprotected Terminal25
- Figure 1-3: Narrow/Medium Capacity, Nonprotected Tx, SD Rx Terminal26
- Figure 1-4: Narrow/Medium Capacity, Protected Terminal (HS, FD, and SD Rx)26
- Figure 1-5: Narrow/Medium Capacity, Nonprotected Repeater27
- Figure 1-6: Narrow/Medium Capacity, Protected Repeater28
- Figure 1-7: High Capacity, 2Xds3 + 28 DS1 Terminal31
- Tributary Configuration32
- System Features33
- Network Management and Control36
  - Network Management Interfaces36
  - Craft Interface36
Chapter 2, General Information37
- Safety Warnings37
  - Personal Safety38
  - Equipment Safety39
- Regulatory Compliance (USA)40
  - FCC Title 47, Part 10140
  - FCC Part 15 Emission Requirements40
Chapter 3, Site Preparation41
- Power Source41
- Equipment Rack Location41
- Equipment Inspection41
  - Unpacking Procedure42
Chapter 4, Installation and Commissioning43
- Introduction43
  - FCC Requirements43
  - Data and Records43
- Precaution44
- Recommended Tools and Test Equipment44
  - Customer-Supplied Tools44
  - Recommended Test Equipment for Installation and Maintenance44
  - Table 4-1: Customer-Supplied Tools44
  - Table 4-2: Recommended Test Equipment45
- Circuit Breakers46
- Grounding Recommendations46
- Table 4-3: Recommended Circuit Breaker Sizes for Constellation Radio Terminal Only46
- Monitoring Recommendations47
  - Monitoring the Reference Frequency47
  - UBER Measurement47
- Summary of the Installation Procedures48
- Turning on the Radio48
- Table 4-4: Installation Procedures48
- Table 4-5: Turn-On Procedures48
- Summary of the Terminal Test49
- Table 4-6: Terminal Test Procedures49
- Summary of the Hop Test50
  - Network Element Address50
  - Table 4-7: Aligning the Antenna Procedure50
  - Table 4-8: Hop Test Procedures50
- Detailed Installation Procedures51
  - Figure 4-1: Constellation Radio, Front View51
  - Figure 4-2: Door Latch52
  - Figure 4-3: Door Straps52
  - CAN Connector53
    - Terminal53
    - Repeater53
  - Interconnection Cabling54
- Detailed Turn-On Procedures64
- Figure 4-14: Constellation Backplane, Terminal64
- Figure 4-15: Fuse Panel, Repeater64
- Detailed Terminal Test65
- Figure 4-16: Transmitter Assembly, Front View67
- Figure 4-17: Receiver Assembly, Front View69
- Figure 4-18: Location of the Transmit Monitor Port71
- Table 4-14: Power at Antenna Flange, NP Configuration71
- Table 4-15: Power at Antenna Flange, MHSB Configuration72
- Aligning the Antenna74
- Figure 4-19: RSL Measurement75
Chapter 5 , Loopbacktesting77
- Introduction77
- Precautions77
- Loopback Procedures78
- Tributary BER Test87
- Figure 5-10: BER Testing of a 3Xds3 System with Add-Drop Configuration87
- HLM-155 Electrical Interface88
Chapter 6 , Configuringtheconstellationradio89
- SYSTEM from the CONFIGURATION Submenu89
- ADM from the CONFIGURATION Submenu94
  - Configuring the Add-Drop in a Repeater94
  - For each M12 Unit Pair, Select94
    - Table 6-5: ADM for Narrow/Medium Capacity Radios94
    - 3Xds3 Terminal95
- TRIBUTARIES from the CONFIGURATION Submenu95
- Table 6-6: ADM for High Capacity Radios95
- Table 6-7: TRIBUTARIES Submenu95
- RELAYS from the CONFIGURATION Submenu97
- Table 6-8: RELAYS Submenu97
- Configuring the SERVICE CHANNEL98
- Network Management100
Chapter 7 , Configuringthehigh Levelmux101
- Overview101
- Thru Timed101
- SOURCE Timed102
  - Source Timed Configurations102
Chapter 8 , Ip C Ommunicationstackandip a Pplications103
- TCP/IP-To-Netcom Connectivity103
- Protocol Layers104
- Figure 8-1: Constellation TCP/IP-To-Netcom Connectivity104
- IP Routing105
- Figure 8-2: Protocol Layers105
- Community ID106
- Network Management Submenu106
Chapter 9, Routine Maintenance113
- Routine Observances113
- FCC Requirements113
- Monitoring Recommendations114
  - Monitoring the Reference Frequency114
  - UBER Measurement114
- General Measurements Procedure115
  - Transmitter Frequency Measurement115
  - Transmitter Power Measurement117
- Receiver Assembly Measurement122
Chapter 10, System Software Upgrades125
- Obtaining New Software125
- Downloading New Software125
- Rebooting Software134
Chapter 11, Troubleshooting Guidelines137
- Introduction137
- Harris Premier Customer Web Site137
- Things to Do First138
- Diagnosing Alarm Messages139
- Simultaneous Replacement of Modules139
- LED Indicators139
- Table 11-1: LED Indicators140
- Figure 11-1: Constellation Radio Alarm Path142
- Glossary of Alarms143
Chapter 12, Field -Replaceable Units151
- Precautions151
- Tools and Test Equipment153
- General Procedures153
- Fan Assembly155
- Radio Frequency Section158
- Signal Processing Section173
- High Level 155 Mux (HLM-155)178
- High Level 3XDS3 Mux (HLM-3XDS3)179
- Service Channel181
- SPU Controller182
- M12 Unit183
Chapter 13 , Customerservice& Warrantyi Nformation.13-1187
- Warranty and Product Support187
- Ordering Parts or Spares187
  - Order Spare Parts Online188
- Repair and Return188
- Technical Support191
- Customer Training192
- Standard Product Warranty Terms193
- Limitation of Damages194
- Figure A-1: Constellation to Constellation195
- Figure A-2: Constellation to Megastar196
- Figure A-3: Constellation to Microstar197
- Figure A-4: Constellation to Quadralink197
- Figure A-5: Constellation to DVS II Orderwire198
- Figure A-6: Constellation to CAU, DVA Alarm Unit, and DVMUX198
Appendix A, Wiring Specifications199
- Customer Access Areas199
- Constellation 155 and 3Xds3 Customer Interface207
Appendix B, Keypad Menu Tree211
- Introduction211
- Keypad or VT-100 Terminal Emulator211
- Keypad213
- Menu Format215
- The Menu Tree215
Appendix C, Multiplier-Filter Table223
- Multiplier-Filter Table223
- Table C-1: Multiplier-Filter Table223
- LO MON Frequency Calculation224
Appendix D, Service Channel225
- Loop System225
- Loop System Configurations226
- Customer Setup232
Appendix E, Harris Part -Numbering System233
- Introduction233
- Part-Numbering Scheme233
  - 12-Digit Part Number234
  - SD Part Number234
Appendix F, Forms235

Harris Constellation - OC3 Remote Loopback; Figure 5-5: OC3 Remote Loopback Test

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