Cisco Catalyst Switch Module 3110G, 3110X, and 3012 for IBM BladeCenter Hardware Installation Guide
- Updated:
- February 12, 2018
Chapter: Connector and Cable Specifications
Connector Specifications
These sections describe the connectors used with the switch modules:
10/100/1000 Ports
The 10/100/1000 Ethernet ports on switch modules use standard RJ-45 connectors and Ethernet pinouts. Figure B-1 shows the pinouts.
Figure B-1 10/100/1000 Port Pinouts
10-Gigabit Ethernet Module Interface
The 10-Gigabit Ethernet optical modules use SC connectors or Infiniband 4x connectors, as shown in Figure B-2 and Figure B-3.
Figure B-2 10-Gigabit Ethernet Optical Module SC Connector
Figure B-3 10-Gigabit Ethernet Infiniband 4x Connector
Console Port
The console port uses a USB connector. The supplied USB-to-DB-9 adapter cable is used to connect the console port of the switch module to a PC.
Cable and Adapter Specifications
These sections describe the cables and adapters used with the switch module:
- 10-Gigabit Ethernet X2 Transceiver Module Cable Specifications
- Four Twisted-Pair Cable Pinouts
- Two Twisted-Pair Cable Pinouts
- Identifying a Crossover Cable
10-Gigabit Ethernet X2 Transceiver Module Cable Specifications
Table B-1 lists the port cabling specifications for the 10-Gigabit Ethernet X2 transceiver modules. Each port must match the wave-length specifications on the other end of the cable, and for reliable communications, the cable must not exceed the stipulated cable length. Table B-2 lists the transceiver optical transmit and receive specifications.
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85 feet (26 m) |
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MMF1 |
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1.Mode conditioning patch cord is recommended for MMF applications. |
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–12 (Max) |
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2.The launch power shall be the lesser of the Class 1 safety limit or the maximum receive power. Class 1 laser requirements are defined by IEC 60825-1: 2001. |
Four Twisted-Pair Cable Pinouts
Figure B-4 and Figure B-5 show the schematics of four twisted-pair cables.
Figure B-4 Four Twisted-Pair Straight-Through Cable Schematic
Figure B-5 Four Twisted-Pair Crossover Cable Schematic
Two Twisted-Pair Cable Pinouts
Figure B-6 and Figure B-7 show the schematics of two twisted-pair cables.
Figure B-6 Two Twisted-Pair Straight-Through Cable Schematic
Figure B-7 Two Twisted-Pair Crossover Cable Schematic
Identifying a Crossover Cable
You can identify a crossover cable by comparing the two modular ends of the cable. Hold the cables side-by-side with the tab at the back. The first (far left) colored wire (pin 1) at one end of the cable is the third colored wire (pin 3) at the other end of the cable. The second colored wire (pin 2) at one end of the cable is the sixth colored wire (pin 6) at the other end of the cable. See Figure B-8.
Figure B-9 RJ-45 Crossover Cable Identification
Connector and Cable Specifications
This appendix describes the cables and adapters that you use to connect the Catalyst Switch
Module 3110G, 3110X, and 3012 to other devices. This appendix includes these sections:Connector Specifications
These sections describe the connectors used with the switch modules:
10/100/1000 Ports
The 10/100/1000 Ethernet ports on switch modules use standard RJ-45 connectors and Ethernet pinouts. Figure B-1 shows the pinouts.
Figure B-1 10/100/1000 Port Pinouts
10-Gigabit Ethernet Module Interface
The 10-Gigabit Ethernet optical modules use SC connectors or Infiniband 4x connectors, as shown in Figure B-2 and Figure B-3.
Figure B-2 10-Gigabit Ethernet Optical Module SC Connector
Figure B-3 10-Gigabit Ethernet Infiniband 4x Connector
Cable and Adapter Specifications
These sections describe the cables and adapters used with the switch module:
- 10-Gigabit Ethernet X2 Transceiver Module Cable Specifications
- Four Twisted-Pair Cable Pinouts
- Two Twisted-Pair Cable Pinouts
- Identifying a Crossover Cable
10-Gigabit Ethernet X2 Transceiver Module Cable Specifications
Table B-1 lists the port cabling specifications for the 10-Gigabit Ethernet X2 transceiver modules. Each port must match the wave-length specifications on the other end of the cable, and for reliable communications, the cable must not exceed the stipulated cable length. Table B-2 lists the transceiver optical transmit and receive specifications.
85 feet (26 m)
108 feet (33 m)
217 feet (66 m)
269 feet (82 m)
984 feet (300 m)MMF1
Table B-2 X2 Transceiver Optical Transmit and Receive Specifications
–12 (Max)
–7.3 (Min)
Four Twisted-Pair Cable Pinouts
Figure B-4 and Figure B-5 show the schematics of four twisted-pair cables.
Figure B-4 Four Twisted-Pair Straight-Through Cable Schematic
Figure B-5 Four Twisted-Pair Crossover Cable Schematic
Two Twisted-Pair Cable Pinouts
Figure B-6 and Figure B-7 show the schematics of two twisted-pair cables.
Figure B-6 Two Twisted-Pair Straight-Through Cable Schematic
Figure B-7 Two Twisted-Pair Crossover Cable Schematic
Identifying a Crossover Cable
You can identify a crossover cable by comparing the two modular ends of the cable. Hold the cables side-by-side with the tab at the back. The first (far left) colored wire (pin 1) at one end of the cable is the third colored wire (pin 3) at the other end of the cable. The second colored wire (pin 2) at one end of the cable is the sixth colored wire (pin 6) at the other end of the cable. See Figure B-8.
Figure B-9 RJ-45 Crossover Cable Identification
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