365-575-102 CircuitOrder:
Issue 8.0, July 2002 Page 1 of 6
NTP-016
Change an OC-3/IS-3 Link From 1+1 to 0x1
Protection Mode
DOITEMSBELOWINORDERLISTED........ FORDETAILS,GOTO
1. Overview: The steps in this procedure enable you to change an OC-3 Low
Speed optical link from 1+1 protection mode to 0x1 protection mode without
causing a service impairment. Tasks are performed on two separate NEs (for
example; Node A, an FT-2000, and Node B). Node B can be another
FT-2000, DDM-2000, or other vendor equipment. The process is as follows:
1. At Node A, switch traffic from Protection pack to Service pack.
2. At Node B, switch traffic from Protection pack to Service pack.
3. At Node B, change Protection mode from 1+1to0x1.
4. At Node A, change Protection mode from 1+1to0x1.
NOTE:
The “Service slot” has an _a (e.g., 1a, 2a, 3a, etc) slot address. The
“Protection slot” has an _b (e.g., 1b, 2b, 3b, etc) slot address.
Required Test Equipment:
Craft Interface Terminal (CIT)
Wrist Strap
!
WARNING:
Unterminated optical connectors may emit invisible laser radiation. Eye
damage may occur if the beam is viewed directly or with improper optical
instruments. Avoid direct exposure to beam.
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