Nortel Networks NTRN10AN, 3500 manual Test access configurations, Monitoring test access, Dcn

2-162Operation, administration, and maintenance (OAM) features

Note 3: STS24c and STS48c rates are only supported on shelves equipped with OC-48 STS interfaces in slots 3 through 10 and STX-192 circuit packs.

Note 4: When a facility is provisioned as a TAP, the Loss of Signal LED becomes active on the circuit pack.

Figure 2-52

Test access components

EX1396p

Testing Operations

System (TOS)

DCN

Test access equipment

-test head (Hekimian or other)

Control Link

- TCP/IP socket

Network Element (OPTera Metro 3500)

Test Access Interface cable (DS1, DS3, DS3VT, EC1, OC3, OC12, or OC48)

Test access configurations

Supported test access states include:

•monitoring test access (non-intrusive test state)

•split test access (intrusive test state-for out of service connections)

Monitoring test access

A test access session in the monitoring state, does not affect traffic and it does not trigger a protection switch. Traffic is sent to the test unit via the TAP and is allowed to continue on it’s original path. See Figure 2-53 on page 2-163.

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