Nortel Networks 3500 User Manual
iii
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Contents
0
Network element overview 1-1
Release 12.1 features 1-4
Release 12.1 Hardware Compatibility Matrix 1-16
Supported configurations 1-19
Interworking 1-25
Supported upgrade paths 1-26
Release 12.1 features 1-4
Release 12.1 Hardware Compatibility Matrix 1-16
Supported configurations 1-19
Interworking 1-25
Supported upgrade paths 1-26
Alarm flow control 2-6
Environmental alarms 2-7
External controls 2-7
ACO switch — clearing audible alarms and performing lamp tests 2-7
Environmental alarms 2-7
External controls 2-7
ACO switch — clearing audible alarms and performing lamp tests 2-7
Tributary, DWDM, BLSR, UPSR, and 1+1 linear point-to-point 2-8
BLSR 2-9
Connection editing 2-9
In-service traffic rollover 2-9
BLSR 2-9
Connection editing 2-9
In-service traffic rollover 2-9
Protection 2-11
’Infinite wait-to-restore’ parameter 2-12
BLSR Line Protection Oscillation Control 2-13
BLSR single span fiber cut scenario 2-13
BLSR nodal / multi-span failure scenario (involves squelching) 2-25
BLSR configurations 2-29
BLSR configuration and connection audit 2-30
Traffic flow over OC-48 BLSR 2-31
Traffic flow over OC-192 BLSR 2-32
Provisioning rules 2-34
OAM supported on BLSR 2-43
’Infinite wait-to-restore’ parameter 2-12
BLSR Line Protection Oscillation Control 2-13
BLSR single span fiber cut scenario 2-13
BLSR nodal / multi-span failure scenario (involves squelching) 2-25
BLSR configurations 2-29
BLSR configuration and connection audit 2-30
Traffic flow over OC-48 BLSR 2-31
Traffic flow over OC-192 BLSR 2-32
Provisioning rules 2-34
OAM supported on BLSR 2-43