Datasheet

1-11
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
Chapter 1 Shelf and FMEC Hardware
1.7 Ethernet Cables
All E-1 interfaces that are listed in Table 1-2 on page 1-8 with DB-37 or with Molex 96-pin LFH
connectors must be connected using a 120-ohm twisted-pair balanced cable. For the interfaces that use
Molex 96-pin LFH connectors Cisco offers ready-made cables.
1.7 Ethernet Cables
Ethernet cables use RJ-45 connectors, and are straight-through or crossover, depending on what is
connected to them.
Table 1-3 shows 100Base-TX connector pin assignments, used with E100 Ethernet cards in the ONS
15454.
Figure 1-7 shows the pin locations on 100BaseT connector.
Figure 1-7 100BaseT Connector Pins
Table 1-3 E100-TX Connector Pinout
Pin Cable Port
1RD+
2RD–
3TD+
4NC
5NC
6TD–
7NC
8NC
1 2 3 4 5 6 7 8
H5436