NTP-030: Circuit Order 363-206-285
Page 1 of 8 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
Upgrade DDM-2000 OC-3 Point-to-Point to
Path Switched Ring
OutofService
DO ITEMS BELOW IN ORDER LISTED. . . . . FOR DETAILS, GO TO
1.
!
CAUTION:
This procedure requires
22-Type OLIU
circuit packs in all
shelves. If existing
OLIU
s will be replaced in this procedure,
you must determine if the
22-Type OLIU
s will support the
existing span length. Optical line power measurements
and/or office records must be used to verify that the existing
span length can be supported.
!
CAUTION:
DDM-2000 circuit packs contain static sensitive components
which can be damaged by electrostatic discharge. A static
ground wrist strap must be worn when handling the circuit
packs. See electrostatic discharge considerations in
Trouble
Clearing: TAD-100
.
NOTE:
This procedure requires that the system be taken out of
service long enough to change OLIU optical fiber
connections to the ring configuration. It is assumed that
Release 8 software is initially installed in each shelf to
support 22-Type OLIUs. It is assumed that TARP Release
13 or later software is required for the final ring configuration.
NOTE:
All shelves in the same network must have the same
software release.
NOTE:
You may also contact Lucent Technologies to provide an
in-service upgrade. Experienced Lucent Technologies
installers will help you plan and execute the network
upgrade. For more information, contact your Lucent
Technologies Account Representative.
TAD-100
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