Testing
LTPH-TP-1044-01, Issue 1
50
April 6, 2001
HXU-358 V1.04
P
ROTECTION
S
WITCHING
The Test menu offers a Protection Switch selection to manually change from
the active multiplexer to the standby multiplexer.
1
Select Protection Switch from the Test menu.
2
To execute the protection switch to the standby multiplexer, type
.
A protection switch occurs within 50 milliseconds and does not affect
traffic on any DS1 or DS3 port.
Figure 33.
Test Menu: Protection Switch
For complete information on HDSL line protection switching,
refer to PSC-606 List 1 Technical Practice, document
LTPH-TP-1006-xx.
Protection Switching is inhibited if the TMS alarm is active. It
can be cleared under the monitor screen.
Y
Main Monitor History Config
Test
Inventory Quit Help
+--------------------+
| T1/E1 Loopback |
| DS3 Loopback |
| Test Head Access |
|
Protection Switch
|
+-----------------------------------------------------+
| Carry out protection switch. Are you sure (Y/N)? |
+-----------------------------------------------------+
ID: | Card 'A' 03/30/01 11:01:05 ALARMS: NONE
