Nortel Multiservice Switch 7400 Installation & Maintenance page 285

Procedure steps
Step
1
2
3
4
5
6
7
Attention: The Laps availabilityStatus stays "set to degraded" until the XC cable is
correctly inserted, the port is unlocked and all the port critical alarms have been
cleared.
Copyright © 2005, Nortel
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Hardware procedures
Action
Determine which of the two spared 2pSTM1Ch cards is in "hotStandby".
d Shelf Card/<x> SpServ osiStby
Determine which ports on the "hotStandby" 2pSTM1Ch are protected.
d -p Lp/<n> Sdh/<port> lineAutomaticProtectionSwitch Lp/
<n> Sdh/<port>
The
lineAutomaticProtectionSwitch
shows the instance if the port is protected, or nothing if the port
Laps
is not protected
.
Lock the protected ports on the "hotStandby" 2pSTM1Ch.
lock Lp/<n> Sdh/<port>
Plug the cable with one end in the "providingService" 2pSTM1Ch and the
other end in the "hotdStandby" 2pSTM1Ch.
Upon a successful insertion of the XC cable the "Facility Defect" Alarm
clears and the XC status LED on the "providingService" card turns green.
Optionally, check that there are no reported failures under the Xc
component.
d Laps/<a> Xc failureCause
Unlock the protected ports on the "hotStandby" 2pSTM1Ch.
d unlock Lp/<n> Sdh/<port>
Check that the sparing capabilities have returned to normal.
d Laps/<a> availabilityStatus
The availabilityStatus should be empty, that is, the display should be
Nortel Multiservice Switch 7400
Hardware Installation, Maintenance, and Upgrade
NN10600-175 7.1S1 Standard
PCR7.1 and up October 2005
attribute under the
--End--
component
Sdh
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