Specifications

2-35
Cisco ONS 15454 Troubleshooting and Maintenance Guide
November 2001
Chapter 2 General Troubleshooting
Figure 2-19 A cross-over cable layout
Note Odd numbered pins always connect to a white wire with a colored stripe.
2.5.4 Optical Card Transmit and Receive Levels
Each OC-N card has a transmit and receive connector on its faceplate.
Table 2-4 Second End of Cross-over Cable
Pin Color Pair Name
1 white/green 3 RecvData +
2green3RecData -
3 white/orange 2 TxData +
4blue1
5 white/blue 1
6 orange 2 TxData -
7 white/brown 4
8brown4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
55416
Table 2-5 Optical Card Transmit and Receive Levels
Optical card Rx Tx
OC3 IR 1310 -8 to -28 dBm -8 to -15 dBm
OC12 IR 1310 -8 to -28 dBm -8 to -15 dBm
OC12 LR 1310 -8 to -28 dBm +2 to -3 dBm
OC12 LR 1550 -8 to -28 dBm +2 to -3 dBm
OC48 IR 1310 0 to -18 dBm 0 to -5 dBm
OC48 LR 1550 -8 to -28 dBm +3 to -2 dBm
OC48 AS LR 1550 -8 to -28 dBm +3 to -2 dBm
OC48 ELR DWDM -8 to -28 dBm 0 to -2 dBm
OC192 LR 1550 -9 to -17 dBm +10 to +7 dBm