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Operation, administration, and maintenance (OAM) features 2-9
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
BLSR
• supports BLSR protocol on OC-192 circuit packs equipped with STX-192
circuit packs in slots 13 and 14.
• supports BLSR protocol on OC-48 circuit packs equipped with
VTX-series circuit packs in slots 13 and 14.
— BLSR is not supported on OC-48 STS circuit packs equipped in slots
11 and 12.
• VT1.5, STS-1, STS-3c, and STS-12c, connections supported on the OC-48
BLSR ring equipped with VTX-series circuit pack.
• STS-1, STS-3c, STS-12c, STS-24c and STS-48c connections supported on
the OC-192 BLSR ring equipped with STX-192 circuit pack.
• supports In service Channel Rollover and In service Route Rollover of
VT1.5, STS-1, STS-3c, STS-12c and STS-24c.
Note 1: VT1.5connections require VTX-series circuit pack.
Note 2: STS-24c connections are supported on 2xGigE/FC-P2P, OC-48
STS and OC-192 circuit packs.
• supports OPE connections (RPR rings) at STS-1, STS-3c and STS-12c
over OC-48 or OC-192 BLSR.
Connection editing
Connection editing for the optical interface allows the user to change traffic
configurations through single or multiple connection type editing, while
maintaining live traffic. A forced switch or lockout may be required before the
edit to ensure that traffic is maintained.
In-service traffic rollover
In-service traffic rollover allows you to migrate live traffic within the transport
network. You can migrate any cross-connect end point to any other end point
capable of servicing the cross-connect rate, independent of the protection
scheme at the end point.
This operation is also supported to provide reconfigurations, such as merging
two UPSRs. This can be done on path-switched connections (1WAYPR and
2WAYPR) to move traffic from one cross-connect termination to a new
termination without disrupting service.
In service Channel Rollover in BLSR networks is the act of moving VT or STS
channels across time slots within a span. In service Route Rollover in BLSR
networks is the act of moving VT or STS channels from the short path to the
long path.
Note: In-service traffic rollover is not supported over RPR.