Nortel Networks OPTera Metro 3500 - Manual (Page 180)

2-142 Operation, administration, and maintenance (OAM) features
OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
• 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
DSM
DSM
OM3500
NE2
OM3500
NE1
OC-192 Ring
(STS-managed)
OM3500
NE3
OM3500
NE4
DSM
Legend
DS1 1
•
•
DS1 28
DS1 29
•
•
DS1 56
DS1 57
•
•
DS1 84
DS1 1
•
•
DS1 28
= 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.