Protection Switching Module - Cisco NCS 1001 Hardware Installation Manual

Protection Switching Module

Controller
Ots 0/slot/0/2
Ots 0/slot/0/3
Protection Switching Module
The protection switching module (NCS1K-PSM) provides the following functionality.
• In TX section:
• In RX section:
Figure 9: PSM Front View
1
2
3
4
The following table describes the mapping of controllers and optical ports for the protection switching module.
Controller
Ots 0/slot/0/0
Hardware Installation Guide for Cisco NCS 1001
8
• Splits input optical channels to both working and protection lines.
• Forces the switch in the remote site by opening one of the two line paths (by putting the related
VOA in AVS).
• Selects the signals from working or protection line. Each line is monitored through a PD.
• Balances the two line losses by changing the VOA attenuation value at the same time of the switch
change of state.
Protected path input and output port [P - RX, TX]
Working path input and output port [W - RX, TX]
COM input and output port [COM - RX, TX]
Status LED
Optical Ports
• OSC-RX
• OSC-TX
COM-CHECK
Optical Ports
COM-TX
Cisco NCS 1001 Overview