Nortel Networks OPTera Metro 3500 - Manual (Page 17)

Overview 1-5
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Uni-directional Path switched Ring at OC3, OC-12, OC-48 or
OC-192 rates Yes
except OC-192
Yes
Dual-homed subtending rings (on UPSR) Yes Yes
Linear add/drop multiplexer OC-3, and OC-12, OC-48, and
OC-192 rates Yes
except OC-192
Yes
except OC-192
Linear point-to-point at OC-3, OC-12, OC-48, and OC-192
rates Yes
except OC-192
Yes
Matched nodes (on UPSR) Yes Yes
Mixed RPR and TDM traffic over BLSR Yes Yes
Mixed RPR and TDM traffic over UPSR (and above UPSR
variants) Yes Yes
Optical hubbing Yes Yes
Path-in-line (virtual ring) (across UPSR or BLSR) Yes Yes
RPR over BLSR (working and protection channels) Yes Yes
RPR over UPSR (and above UPSR variants) Yes Yes
Single-homed subtending rings (on UPSR) Yes Yes
UPSR to non-OPTera Metro 3500 BLSR interconnection Yes Yes
In-service reconfigurations
Adding a network element to an OC-48 or OC-192 BLSR Yes
except OC-192
Yes
except OC-48
Adding a network element to a UPSR Yes
except OC-192
Yes
Adding an OMX shelf to an in-service DWDM network Yes Yes
Adding an OPTera Metro 3500 network element to an OC-48
UPSR over DWDM Yes Yes
Adding an OPTera Metro 3500 network element to an OC-48
BLSR over DWDM Yes No
Converting an OC-48 UPSR to an OC-48 UPSR over DWDM Yes Yes
Converting an OC-48 BLSR to an OC-48 BLSR over DWDM Yes No
Table 1-1 (continued)
Feature compatibility for Release 12.1
Feature Supported on
platforms with
VTX-series
circuit packs Supported on
platforms with
STX circuit packs