Chapter 5 Module Descriptions
Bridge Module
5.6 Bridge Module
The BM, installed in the passive optical shelf, transfers the remainder of the incoming optical signal from the A side to the B side and from the B side to the A side. The BM allows the portion of the optical signal that is not intended for the node to bypass the node. If all incoming optical signal wavelengths terminate at the node, you can use two Termination modules (TMs) instead of a BM. TMs reduce optical crosstalk.
5.7 Collector Filter Module
The CFM combines the functionality of the Hub Filter module (HFM) and the NAM in the ONS 15201 SCU. The CFM transfers optical signals between the DWDM side of the ONS 15200 system and the CLIP module.
5.8 Connection Module X
The CMX provides a bridge between the A side of one ONS 15252 MCU and the B side of another ONS 15252 MCU. Using a CMX allows you to extend the bandwidth capability of the ONS 15252 MCU passive optical shelf.
5.9 Connection Module Y
The CMY provides a bridge between the A side of one ONS 15252 MCU and the A side of another ONS 15252 MCU. Alternatively, the CMY provides a bridge between the B side of one ONS 15252 MCU and the B side of another ONS 15252 MCU. The CMY allows you to extend the bandwidth capability of the passive optical shelf.
5.10 Dummy Filter Module
The Dummy Filter module (DFM) mechanically stabilizes the optical filter modules. The DFM resides in the passive optical shelf of the ONS 15252 MCU.
5.11 Dummy Network Adaptation Module
The DNAM replaces a Network Adaptation module (NAM) when a NAM is not installed.
Cisco ONS 15200 Product Description
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