Perform protection switching
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WebEML User Manual
• 1+1 HSB supports RPS, HSB and EPS protection switching. Radio Protection
Configuration with Space Diversity, two MPT-HL/HLC/HC/XP Transceiver
cards, same frequency, one coupler/relay
• 1+0 Unprotected Radio Configuration supports no protection switching
protection. Radio configuration, single MPT-HL/HLC/HC/XP Transceiver card
• For the local traffic/services cards P32E1DS1 (DS1), P2E3DS3 (DS3),
SDHACC (OC-3), Core-E (Ethernet) supports 1+1 EPS protection switching
68.6 Protection switching commands
To enter the Commands menu, click on either the Spare #0 element in the Tree view
or on the Main #1 element.
On the Main#1 channel, the available commands are Manual and Forced (only
Forced for Core protection).
On the Spare#0 channel the available commands are Manual and Lockout (only
Lockout for Core protection).
See Table 7 for a list of protection switch commands and their priority.
Lockout has a higher priority than Forced and automatic switch commands: the
activation of this command forces in service Channel 1, independent of the possible
active alarms or standing Forced switch command. This command activates
signaling ABN.
Forced has a higher priority than an automatic switch command: the activation of this
command forces in service Channel 0, independent of the possible active alarms.
This command activates signaling ABN.
Table 7 Command priority list
Command Priority Supported Channel
Lockout 1 (highest) Spare (Channel #0)
Forced 2 Main (Channel #1)
Automatic Switch 3 Main (Channel #1)
Spare (Channels #0
Manual 4 (lowest)
Release 7.0.0 3DB 19286 ACAA Issue 01
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