Lucent Technologies DDM-2000 OC-3 User Manual

363-206-285 Circuit Order: NTP-023
Issue 2, February 2000 Page 6 of 8
DDM-2000 OC-3 MULTIPLEXER
DO ITEMS BELOW IN ORDER LISTED . . . . .FOR DETAILS, GO TO
22.
!
CAUTION:
The update (upd) command must be executed at the Node
with both 24/29-Type OLIUs installed .
NOTE:
After the update at this node, the inc. OC-12 LOF alarm
remains until the 24/29-Type OLIU is installed at the
connecting Node.
Momentarily depress the UPD button on the SYSCTL or execute
the update (upd) command at the Node with both 24/29-Type
OLIUs installed.
23. Repeat Steps 15 through 22 for all Nodes until you arrive back at
thestartingNode.
Last Span Optical Upgrade
24.
NOTE:
A CP removed alarm will occur when the MAIN 1 OLIU is
removed from the starting Node.
At the starting Node (Node 1), remove optical fibers from MAIN 1
OLIU, then remove MAIN 1 OLIU.
25.
NOTE:
When the 24/29-Type OLIU is installed, an
unexpected CP type status and OC12 connector
failed alarm will occur. The inc. OC-12 LOS alarm
should clear at both ends of the span. The
inc. VT and STS AIS alarms clear downstream.
Install a 24/29-Type OLIU into MAIN 1 OLIU slot and reconnect
optical fibers.
26. At the starting Node, connect the OC-12 faceplate connector
between MAIN 1 and MAIN 2(P) 24/29-Type OLIUs.

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English