2-42Operation, administration, and maintenance (OAM) features

Figure 2-21

Virtual RPR over BLSR and subtending UPSRs: no OPE circuit packs in core BLSR (example)

X

W

Network

Element A

UPSR #1

X

W

Network Element B

W

X

 

Network

12

11 Element C

 

12

BLSR

Network

Element D

 

11

11

12

 

Network

X

Element E

W

Legend

= BLSR protected line slots = UPSR protected line slots = OPE circuit pack

= Resilient packet ring

UPSR #2

Network

Element G

W

X

X

W

Network Element F

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

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Nortel Networks NTRN10AN, 3500 manual Upsr #1, Upsr #2