365-575-102 Operation:
Issue 8.0, July 2002 Page 1 of 4
NTP-010
Optical Upgrade From STS-3 to STS-1 Granularity
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1. Overview: This procedure is used for upgrading an FT-2000 OC-48 ADR
ring from STS-3 granular optical packs to STS-1 granular optical packs.
NOTE:
The STS-3 optical packs to be upgraded (replaced) are generally
referred to as "2-type". More specifically, these packs contain one of
the following designations ___B2, ___C2, or ___J2. The STS-1
optical packs are referred to as "5-type". Similarly, these packs
contain one of the following designations ___B5, ___C5, or ___J5.
Generally, it will be desirable to only replace a B2 with a B5, a C2 with
a C5, etc,.
NOTE:
In order to protect all service, only two nodes in the ring can have
their optical circuit packs upgraded at any one time.
NOTE:
The two nodes being upgraded must have their common span
"Protection Switched". This will cause a hit on services being carried
on the span that is switched. Figure 1 depicts a three node segment
of an FT-2000 ADR ring. For reference purposes, this figure is used
to support the steps within this procedure.
Required Test Equipment:
Craft Interface Terminal (CIT)
Wrist Strap
3. If required, connect the CIT to the local FT-2000
NE and condition it.
DLP-501
4. Log in to the CIT.
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