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5-2

Cisco MGX 8260 Hardware Installation Guide

78-10966-02

Chapter 5 Connecting the Cables

Connecting the BITS Cable

A wiring diagram for a BITS cable is provided in

Appendix A, “Cable and Connector Reference.”

connect the BITS cable, follow these steps:

Step 1

If your system uses a Building Integrated Timing Source (BITS) timing source (Stratum 3 clock),
connect a BITS cable to the RJ-45 connector on the SCC back card in slot 9. (See

Figure 5-1

Figure 5-1

Connecting the BITS Cable

Table 5-1

DS3 Adapter and Extension Cables

Cisco Part Number

Description

CAB-5698-6

T3/E3 SMB Female to SMB Female, 6 feet (75 ohm)

CAB-T3E3-PL-AD

T3/E3 SMB Female to BNC Female, 6 feet (75 ohm)

BNCM-BNCM-25

T3/E3 BNC Male to BNC Male, 25 feet (75 ohm)

Used for BSC and DMC redundancy.

CAB-T3E3-PL-Y

T3/E3 SMB Female to ‘Y’ BNC Female, 1 Ft. Redundancy Cable

31646

BITS

CONSOLE

ALARM

MGMT

BITS

CONSOLE

ALARM

MGMT

Summary of Contents for MGX 8260

Page 1: ...ors E1 STP cables for 120 ohm E1 lines terminated with RJ 48 connectors Fast Ethernet Category 5 STP cables for 100BASE TX lines terminated with RJ 45 connectors OC 3 Single or mulitmode fiber cables for OC 3 lines terminated in small form factor LC or MT RJ connectors 10BASE T Category 5 STP cables for Ethernet management ports terminated with RJ 45 connectors Alarm Custom cable for visual or aud...

Page 2: ...ber Description CAB 5698 6 T3 E3 SMB Female to SMB Female 6 feet 75 ohm CAB T3E3 PL AD T3 E3 SMB Female to BNC Female 6 feet 75 ohm BNCM BNCM 25 T3 E3 BNC Male to BNC Male 25 feet 75 ohm 1 1 Used for BSC and DMC redundancy CAB T3E3 PL Y T3 E3 SMB Female to Y BNC Female 1 Ft Redundancy Cable1 31646 BITS CONSOLE AUX ALARM MGMT 1 2 3 4 1 2 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX...

Page 3: ...e copies to each SCC separately Connecting DS3 Coaxial Cables Each DS3 trunk requires two coaxial cable connections one for transmit and one for receive Appendix A Cable and Connector Reference specifies cable requirements for DS3 lines To connect DS3 coaxial cables to nonredundant BSCs or DMCs follow these steps Note Mark each cable with identifying information suitable for tracking in the MGX 82...

Page 4: ...nnector on the DS3 back card associated with the TX connector in Step 1 Step 5 Connect the other SMB plug to the corresponding numbered RX connector on the adjacent DS3 back card associated with the TX connector in Step 2 Step 6 Connect the adapter cable s BNC connector to the RX DS3 line in your facility associated with the TX DS3 line in Step 3 Step 7 Repeat Step 1 through Step 6 for all DS3 tru...

Page 5: ...mation suitable for tracking in the MGX 8260 configuration database Step 1 Connect the transmit T1 cable to the 50 pin connector at the top of the NSC rear card See Figure 5 4 Step 2 Tighten the screws at the top and bottom of the 50 pin connector Step 3 Secure both cables near the rack to keep weight off the connector Step 4 Connect the receive T1 cable to the 50 pin connector at the bottom of th...

Page 6: ...B RTN B PWR A 48VDC A RTN A BITS CONSOLE AUX ALARM MGMT 1 2 3 4 1 2 BITS CONSOLE AUX ALARM MGMT 1 2 3 4 1 2 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX T...

Page 7: ...o the NSC back card A cable wiring diagram is provided in Appendix A Cable and Connector Reference To connect E1 cables to the 120 ohm RJ 48 connectors on the NSC back card follow these steps Note Label each cable with identifying information suitable for tracking in the MGX 8260 configuration database Step 1 Snap the first STP cable into a receptacle on an RJ 48 back card See Figure 5 5 Step 2 Co...

Page 8: ... TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 45925 1 2 3 4 BITS CONSOLE AUX ALARM MGMT 1 2 1 2 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 ...

Page 9: ...tep 2 Connect the other end of the cable to the appropriate network device Note Fast Ethernet redundancy is achieved through the use of appropriately configured network devices Step 3 Repeat Step 1 and Step 2 for other Fast Ethernet cables Step 4 If your system has a redundant SCC repeat Step 1 through Step 3 for the adjacent SCC BITS CONSOLE AUX ALARM MGMT 1 2 3 4 1 2 RX TX 6 RX TX 1 RX TX 2 RX T...

Page 10: ...fiber cables must be terminated with MT RJ type connectors at the MGX 8260 Note The transmit and receive fiber cables must be reversed at each device The receive fiber cable from the MGX 8260 goes to the transmit port at the other end and vice versa Caution When handling optical cables observe the manufacturer s bend radius limits To connect the OC 3 fiber optic cables follow these steps Step 1 Co...

Page 11: ... MGMT 1 2 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 39146 ...

Page 12: ...to the front of the chassis for later use Step 3 Optionally connect an EIA TIA 232 serial cable with a DB 9 connector between the AUX connector and a modem A modem supports remote management via a dialup connection Use a cable with straight through wiring BITS CONSOLE AUX ALARM MGMT 1 2 3 4 1 2 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 ...

Page 13: ...e Ethernet cable to the designated network device Step 3 Repeat Step 1 and Step 2 if a second LAN connection will be made to the SCC back card Step 4 If your system has a redundant SCC repeat Step 1 through Step 3 for the adjacent SCC BITS CONSOLE AUX ALARM MGMT 1 2 3 4 1 2 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX 3 RX TX 4 RX TX 5 RX TX 6 RX TX 1 RX TX 2 RX TX...

Page 14: ...e same length This specification provides the proper conductor capacity for the MGX 8260 s maximum power requirements 1800 watts The supply wires to the input terminals on the MGX 8260 should be protected by a double pole 20 amp per pole circuit breaker for each circuit This configuration is shown in Figure 5 10 Note that each circuit A and B is connected to a separate power source and circuit bre...

Page 15: ...ted and that the power cables pass freely through the openings at the bottom Exposed power terminals or damaged insulation pose a safety risk to personnel Step 8 Secure the cover with the two captive screws Step 9 To install redundant power circuit protection repeat Step 3 through Step 8 for power circuit B connecting the MGX 8260 power cables to power source B Step 10 A logical view of MGX 8260 p...

Page 16: ...ter 5 Connecting the Cables Applying DC Power Figure 5 11 MGX 8260 Rear View of Power Connections 31644 PWR B 48VDC B RTN B PWR A 48VDC A RTN A PWR A 48VDC A RTN A Silkscreened on chassis To protective ground Power input terminals Feed A Power input terminals Feed B ...

Page 17: ... 17 Cisco MGX 8260 Hardware Installation Guide 78 10966 02 Chapter 5 Connecting the Cables Applying DC Power Figure 5 12 Installing the Power Terminal Cover PWR A 48VDC A RTN A PWR B 48VDC B RTN B 33385 ...

Page 18: ...roceeding BSC CARD LINE 1 2 3 4 5 6 CARD LINE 1 2 3 4 5 6 SCC CARD LINE 1 2 3 4 SCC CARD LINE 1 2 3 4 ACT FDX 1 2 3 4 ACT LINE LAN 1 LAN 2 ALMC ALMH CLR ACO DISK PWR A PWR B ACT FDX 1 2 3 4 ACT LINE LAN 1 LAN 2 ALMC ALMH CLR ACO DISK PWR A PWR B CARD LINE 1 2 3 4 5 6 1 2 3 4 5 6 NSC CARD LINE 1 2 3 4 13 5 6 7 8 9 10 11 12 14 15 16 DMC CARD CARD LINE LINE 1 2 3 4 5 6 CARD LINE 1 2 3 4 5 6 CARD LINE...

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