Ticket 20071206_1

Ticket Number:	20071206_1	Ticket State:	CLOSED
Ticket Opened:	2007-12-06 16:17	Ticket Closed:	2008-01-16 14:58
Ticket Description:	Scheduled fiber interruption of the link Olten - Zürich
Scheduled Starttime:		Scheduled Endtime:

Problem Description:

SBB is interrupting our fibers Olten - Zürich due to maintenance work in Otelfingen. In order to protect the splicing staff, our optical amplifiers on that span will be turned off between 01:00 and 05:30 on Friday 7.12.2007. The links from CERN, UniNE, and HFT-SO to UZH will be unavailable during this period.

Affected:

From 2007-12-07 01:00 until 2007-12-07 05:30
Impact: no more redundancy
Sites/Services: HEIG-VD, HFT-SO, UNINE

Actions:

2007-12-07 05:00
Optical amplifiers turned on.
Optical levels and IP links are OK.

2007-12-07 01:06
optical amplifiers turned off to allow safe splicing work

2007-12-07 00:39
affected links going down already!

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