365-575-102 DetailedLevelProcedure:
Issue 8.0, July 2002 Page 1 of 8
DLP-536
Enter/Delete/Edit STS-3 (or STS-1)
Cross-Connections at Network Elements for 2-Fiber
Ring Network
Overview: This procedure for the FT-2000 2-fiber ring network can be performed on
an in-service or out-of-service basis. Cross-connections are made at one network
element or node in the ring. Then, a remote login may be established to the other
nodes in the ring to make cross connections for a complete circuit.
!
CAUTION:
Cross-connections made to the wrong points can cause service interruptions.
Care must be exercised to closely follow the "Cross-Connect Rules" — which
are specified in Volume 1, Section 8.
!
CAUTION:
STS-1 traffic may be interrupted if making STS-3 cross-connections for the
same slot.
NOTE:
A DS3 (LAA2) or STS1E (LAA4) circuit pack has three ports. For STS-3
cross-connections, all three ports associated with the slot will be affected by
a slot-to-tributary or a tributary-to-slot cross-connection. This is also true
for an OC3 (LAA10B) circuit pack which has three STS1s. An OC12
(T939A) circuit pack has 12 ports which are arranged as four groups of
three ports each. For STS-1 cross-connections, each of the 12 ports can be
cross-connected to any tribituary. For STS-12c cross-connections, all 12
ports must be cross-connected to four consecutive slots.
NOTE:
A 1-way cross-connection means that the connection is made in either the
transmit or the receive direction. A 2-way cross-connection means that the
connection is made in both the transmit and receive directions.
NOTE:
This procedure requires that an LNCTL circuit pack be installed and
operating (not removed or failed).
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