17-12
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 17 Node Reference
17.1.7 OSC Regeneration Node
Figure 17-12
Line Amplifier Node Configuration Example
17.1.7 OSC Regeneration Node
The OSC regeneration node is added to the DWDM networks for two purposes:
•
To electrically regenerate the OSC channel whenever the span links are 37 dB or longer and payload
amplification and add/drop capabilities are not present. Cisco MetroPlanner places an OSC
regeneration node in spans longer than 37 dB. 31 dB is the longest span between the OSC
regeneration node and the next DWDM network site.
•
To add data communications network (DCN) capability wherever needed within the network.
OSC regeneration nodes require two OSC-CSM cards, as shown in
OPT
-BST
OPT
-PRE
A
v
ailab
le
DCU
Air ramp
DCU
A
v
ailab
le
A
v
ailab
le
A
v
ailab
le
TCC2/TCC2P
OSCM
OSCM
TCC2/TCC2P
A
v
ailab
le
A
v
ailab
le
A
v
ailab
le
OPT
-PRE
OPT
-BST
A
v
ailab
le
AIC-I
96425
Summary of Contents for ONS 15454 DWDM
Page 38: ...Figures xxxviii Cisco ONS 15454 DWDM Installation and Operations Guide R6 0 August 2005 ...
Page 54: ...Procedures liv Cisco ONS 15454 DWDM Installation and Operations Guide R6 0 August 2005 ...
Page 64: ... 64 Cisco ONS 15454 DWDM Installation and Operations Guide R6 0 August 2005 Chapter ...