|Ticket Number:||20100105_1||Ticket State:||CLOSED|
|Ticket Opened:||2010-01-05 13:53||Ticket Closed:||2010-01-06 11:18|
|Ticket Description:||Hardware failure at DWDM node Zurich-Irchel|
Problem Description:A failure occured on the Sorrento DWDM amplifier node (mZH13) at the SWITCH PoP Uni Zurich Irchel. The system reports: mZH12 rack2, power2 alarm.
The link "Lambda-10GE CH17 to swiCE3" was therefore down.
After the replacement of the power supplies, some reconfiguration of the modules was needed to bring the links up again.
Affected:From 2010-01-05 17:00 until 2010-01-06 09:00
Impact: no more redundancy
After factory reset and new configuration of two gigamux modules, all links are working fine.
Deltanet (DN) is on site and will replace the power supplies at UZH.
Deltanet support (WB) alerted. They are likely to replace the second chassis mZH13.
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