SWITCHlan Trouble Tickets

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Ticket 20091202_1

Ticket Number: 20091202_1Ticket State: CLOSED
Ticket Opened: 2009-12-02 07:40Ticket Closed: 2009-12-03 15:12
Ticket Description: 10G link CE - UZH down

Problem Description:

2009-12-02 03:13
The 10 G link CE3 - ZH2 is down.
Input power level of optical Amplifier mCE22-A7 is 0.
One of the two power feeds for the 2 Sorrento racks failed at 01:40
At 03:13 the optical Amplifier mCE22-A7 crashed.


2009-12-02 13:30
Deltanet replaced the optical amplifier.
Everything is back to normal.

2009-12-02 09:30
Deltanet will go to Cern and replace the optical amplifier.

2009-12-02 08:53
We asked Cern to check the power supply of our Sorrento racks.
There was a power problem at Cern - which is fixed now.
But the optical amplifier in one rack didn't recover.

For all questions about this ticket, please send mail to noc@switch.ch
or call +41 44 268 15 30.