Cisco ONS 15454 DWDM - Page 453

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Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 9 Node Reference
9.5.6 Amplified or Passive OADM Node Fiber-Optic Cabling
Figure 9-38 shows an example of a passive OADM node with two AD-1C-xx.x cards installed.
4 Side A OPT-BST COM RX to Side A AD-1C-xx.x
COM TX
12 Side B AD-1C-xx.x COM RX to OPT-PRE COM TX
5 Side A OPT-PRE COM TX to Side A AD-1C-xx.x
COM RX
13 Side B AD-1C-xx.x COM TX to OPT-BST COM RX
6 Side A AD-1C-xx.x (15xx.xx) RX to Side A
TXP_MR_2.5G DWDM TX
14 Side B OPT-PRE COM RX to Side B OPT-BST
COM TX
7 Side A AD-1C-xx.x (15xx.xx) TX to Side A
TXP_MR_2.5G DWDM RX
15 Side B DCU TX to Side B OPT-PRE DC RX
1
8 Side A AD-1C-xx.x EXP TX to Side B AD-1C-xx.x
EXP RX
16 Side B DCU RX to Side B OPT-PRE DC TX
1
1. If a DCU is not installed, a 4-dB attenuator loop, +/ 1 dB, must be installed between the OPT-PRE DC ports.