Lucent DDM-2000 OC-3 User And Service Manual page 270

NTP-029
: Circuit Order
Page 2 of 22
DO ITEMS BELOW IN ORDER LISTED. . . . . FOR DETAILS, GO TO
NOTE:
This procedure assumes that the DDM-2000 is in service
and the optical line connections are going to be changed to a
ring configuration. It also assumes that Release 8 is initially
installed in each shelf to support 22-Type OLIUs. TARP
Release 13 or later software is required for the final ring
configuration.
NOTE:
All shelves in the same network must have the same or
compatible software releases.
NOTE:
You may also contact Lucent Technologies to provide this
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.
Use the rtrv-alm: command to verify that no alarms, locks,
loops, or switches are present.
2. Notify maintenance center that alarms will be generated.
3.
NOTE:
The Network Side/User Side parameters of the
set-fecom: command must be set opposite at each end of
the optical spans.
Use the rtrv-fecom/set-fecom command to verify/set
Network Side/User Side parameters at each end of optical span
being established.
4. Verify software in each DDM-2000 shelf is Release 8 or later
which supports 22-Type OLIUs.
5.
NOTE:
Mixing of 21-Type OLIUs and 22-Type OLIUs in one shelf is
not allowed in ring software.
Replace OLIUs in each shelf with proper 22-Type OLIUs, if not
already done. (Protection OLIUs are required.)
DDM-2000 OC-3 M
Issue 2, February 2000
ULTIPLEXER
363-206-285
DLP-542