Ough, Table 1-6 – Nortel Networks OPTera Metro 3500 User Manual
Page 36
1-24 Overview
OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Table 1-6
Summary of network topology line rates
Network topology
Supported on platforms
with VTX-series circuit
packs
Supported on platforms
with STX circuit packs
OC-3
OC-12
OC-48
OC-48
OC-192
Dual-homed subtending rings (UPSR)
Yes
Yes
Yes
Yes
Yes
Linear add/drop multiplexer
Yes
Yes
Yes
Yes
No
Linear point-to-point
Yes
Yes
Yes
Yes
Yes
Matched nodes (UPSR)
Yes
Yes
Yes
Yes
Yes
See Note
Mixed RPR and TDM traffic over BLSR
No
No
Yes
No
See Note
Yes
Mixed RPR and TDM traffic over UPSR
Yes
Yes
Yes
Yes
Yes
Optical hubbing
Yes
Yes
Yes
Yes
Yes
Path-in-line ring (virtual ring) (on BLSR)
No
No
Yes
No
See Note
Yes
Full VT BLSR
No
No
Yes
No
See Note
No
See Note
VT-assigned BLSR
No
No
Yes
No
See Note
No
See Note
STS-1 assigned BLSR
No
No
Yes
No
See Note
Yes
Path-in-line ring (virtual ring) (on UPSR)
Yes
Yes
Yes
Yes
Yes
RPR over BLSR (working and protection
channels)
No
No
Yes
No
See Note
Yes
RPR over UPSR
Yes
Yes
Yes
Yes
Yes
Single-homed subtending rings (UPSR)
Yes
Yes
Yes
Yes
Yes
UPSR
Yes
Yes
Yes
Yes
Yes
UPSR to non-OPTera Metro 3500 BLSR
interconnection
Yes
Yes
Yes
Yes
Yes
Note 1: If interconnecting two mixed traffic rings (VT and STS traffic), STS traffic must be used at the
gateway network element.
Note 2: OC-48 BLSR is supported on OPTera Metro 3500 equipped with VTX-series switched matrix
in slots 13 and 14.
Note 3: STX-192 circuit pack is an STS-managed switch matrix in slots 13 and 14.