Operation, administration, and maintenance (OAM) features 2-41

Figure 2-20

RPR over a BLSR and subtending UPSR (example)

12

11

 

<West>

<East>

Network Element A

<West>

 

BLSR

Network

 

Element B

 

 

Network

<East>

Element C

 

11

12

X

W

12

11

Legend

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

= Resilient packet ring

UPSR

Network

Element D

Network

Element E

W

X

X

W

Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004

Page 79
Image 79
Nortel Networks 3500, NTRN10AN manual RPR over a Blsr and subtending Upsr example