OSC-CSM and OSCM
Optical service channel cards provide bidirectional channels that connect all of the ONS 15454 DWDM nodes and transport general information without affecting the client traffic. ONS 15454 optical service channel cards include the Optical Service Channel Module (OSCM) and the Optical Service Channel and Combiner/Separator Module (OSC-CSM). The OSC-CSM and OSCM cards contain the following subtabs:
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