Nortel Networks NTRN10AN, 3500 manual STS Managed DSM, NE3 DSM

2-142Operation, administration, and maintenance (OAM) features

•The following operations Set, Save, Delete and Restore can not be executed if one or more of the following conditions exist on the SPx or NPx;

—Upgrade in Progress

—Load Mismatch (for SPx)

—Duplicate SID

—Database Save and Restore in Progress

•The following operations Set, Save, Delete and Restore can not be executed if the following condition exist on the SPx or NPx;

—Disk Full

STS Managed DSM

OPTera Metro 3500 offers DS1 services off STS based platform. DS1s are mapped to the DSM, in groups of 28: 1-28, 29-56, 57-84) in to individual STS1s. The STX-192 circuit pack switches the STS1s through the network.

Figure 2-45 on page 2-142, shows an example of an end-to-end connections of STS-managed DS1 facilities in an OC-192 ring, as supported in this release.

Figure 2-45

End-to-end connections of STS-managed DS1 facilities off an OC-192 ring

EX1488p

DS1 1

•

•

DS1 28

DS1 57

•

•

DS1 84

DSM

OM3500

NE1

DSM

OM3500

NE2

OC-192 Ring

(STS-managed)

DS1 29

•

•

DS1 56

OM3500

NE4

OM3500

NE3

DSM

DS1 1

•

•

DS1 28

Legend

=two bidirectional end-to-end STS1 connections, each one involving 28 DS1 DSM ports at each end of the connection.

Note: Only unprotected connections are shown.

OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004