Redback Networks SmartEdge 100, Hardware Manual, Page: 87 / 98

FE and GE MIC and Native Port Cables
Cables and Pin Assignments A-3
Ethernet Straight Cable
An Ethernet straight cable is a shielded cable that connects the Ethernet management port on the front panel
to a LAN hub. Both ends of the cable are terminated in standard, RJ-45 eight-pin modular plugs. Table A-4
lists the pin assignments, which are for both ends of the cable.
FE and GE MIC and Native Port Cables
Cables for the FE and GE MIC and native port cables are described in this section:
• Cable Specifications
• Pin Assignments
Cable Specifications
Table A-5 lists the cable specifications for the copper connections to the native ports, copper FE MICs, and
copper GE MICs and the optical connections to the transceivers in the native ports, optical FE MICs, and
optical GE MICs.
Table A-4 Ethernet Straight Cable Pin Assignments
Pin Signal Name Notes
1 Tx (+) –
2 Tx (–) –
3 Rx (+) –
4 – No connection
5 – No connection
6 Rx (–) –
7 – No connection
8 – No connection
Table A-5 Cable Specifications for Native Ports, and FE and GE MICs
Connectors
Port or Transceiver Type Description Port or Transceiver Cable Maximum Length
Copper Feet Meters
Copper FE 2-pair category 5 shielded twisted-pair
Ethernet straight or crossover
1
RJ-45 female RJ-45 male 328.1 100.0
Copper GE 4-pair category 5 shielded twisted-pair RJ-45 female RJ-45 male 328.1 100.0