FE and GE MIC and Native Port Cables
A-4 SmartEdge 100 Router Hardware Guide
The choice of an Ethernet straight or crossover cable for a copper FE port depends on the equipment to
which it is being connected; see Table A-6.
Pin Assignments
Pin assignments for a copper FE port are included in this section:
• Copper FE Crossover Cable
• Copper FE Straight Cable
Copper FE Crossover Cable
A copper FE crossover cable is a shielded and grounded cable; both ends are terminated in standard, RJ-45
eight-pin modular plugs. Table A-7 lists the pin assignments.
Optical transceiver Feet Meters
1000Base-SX Multimode fiber 62.5/125 μm LC female LC male 1,640.4 500.0
Multimode fiber 50/125 μm LC female LC male 656.2 200.0
Miles Kilometers
100Base-FX Multimode fiber 62.5/125 μm LC female LC male 1.2 2.0
100Base-LX10 Single-mode fiber 9/125 μm LC female LC male 6.2 10.0
1000Base-LX Single-mode fiber 9/125 μm LC female LC male 6.2 10.0
1. See Table A-6 to determine which cable, straight or crossover, is suitable; the cable must be grounded at both ends.
Table A-6 Cable Options for the Copper FE MIC
Configuration Cable Type
Port is connected to a router. Straight
Port is connected to a switch. Crossover
Port is connected to a 10/100 Ethernet port in another
SmartEdge router.
Crossover
Note The wiring for a 10/100 Ethernet traffic card in a SmartEdge 400 or 800 router is cross-connected
like a switch or hub; this condition is denoted with the label “X” by each port.
Table A-7 Copper Ethernet Crossover Cable Pin Assignments
One End Other End
Pin Signal Name Pin Notes
1Rx (+) 3 –
2Rx (–) 6 –
Table A-5 Cable Specifications for Native Ports, and FE and GE MICs (continued)
Connectors
Port or Transceiver Type Description Port or Transceiver Cable Maximum Length
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