Chapter 15. Diagnostics
Vol. IV-15-48 Alcatel-Lucent
Link Menu Operation
Locks
Lock options are provided to force a condition or to change the online status of
the protected pairing:
• For a Node the primary designated RAC is default online transmitting, and the
secondary RAC is online controlling the receive diversity bus (Rx protection
switch function). The Tx and/or Rx RAC online function can be changed using
the locks to first force a change from Auto to Primary or Secondary, and then
back to Auto.
• For protected IDUs the primary-designated IDU is default online transmitting
and receiving. The online function can be changed using the locks to first force
a change from Auto to Secondary, and then back to Auto.
To change primary or secondary online status:
1. Click the required Lock button.
2. Select any timer option from the Safety Timer and click OK. Refer to Safety
Timer Operation.
3. To commit the selection click Send, and check that the change in online status
is confirmed.
4. Click Off (Auto), then click Send to return to normal protection operation, but
with the online status now confirming the new selection.
Alternatively, at step 2, a timer option can be selected (not less than 2 seconds)
and left to time out, whereupon the new online status is automatically committed.
For the IDU 155o and IDU 20x, when a change to Tx online is made the Rx
online will follow providing Rx online locks are off (Rx online lock is Off/Auto).
4 Primary Controls: RX Source. Locks enable Rx trib data for the primary IDU to
be sourced from either the primary or secondary IDUs (one or the other).
Primary is default.
5 Secondary Controls: RX Source. Locks enable Rx trib data for the secondary
IDU to be sourced from either the primary or secondary IDUs (one or the other).
Secondary is default.
6 IDU Tx mute and loopback controls window.
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