Equipment Protection Switching - Alcatel-Lucent 9500 MPR User Manual

Equipment Protection Switching

2.4.3
Switching P32E1DS1/P2E3DS3 Modules may momentarily interrupt traffic. Before
switching P32E1DS1/P2E3DS3 Modules, obtain permission from the proper authority.
See Figure 2-3 and follow the steps to switch transmit and receive traffic (two directions
with one command) between the main and standby (spare) DS1/DS3 Access Modules, man-
ually, using the Craft Terminal.
1
2
CAUTION
Possibility of
Interruption
Displays current
switch command
status.
2
3
Lockout – Prevents switching traffic on main channel to standby (protection) channel.
Select Manual if you want to switch from Main to Standby Receiver or Standby to
Main Receiver and still allow the channel to switch automatically if there is a failure.
Select None (Default) if there is no command required.
3
Select Forced if you want to switch from Main to
Standby E1 Access or Standby to Main E1 Access
and disable automatic switching if there is a failure,
regardless of alarms.
Select Manual if you want to switch from Main to
Standby E1 Access or Standby to Main E1 Access
and still allow the channel to switch automatically if
there is a failure.
Select None (Default) if there is no command
required or to release a manual or forced switch.
Figure 2-3 Equipment Protection Switch
Service
Activate selected
switch command.
4
Activate selected
switch command.
4
9500-1074A
07/24/08
2-5