Avaya 03-300430 User Manual

Disconnected

The port is administered but the associated digital link does not 

respond. An administered port is put in a disconnected state after a 

system reboot or circuit pack insertion. This state persists until a 

link-reset-pass message is received from firmware on the circuit 

pack.

In-Service

When switch software receives a link-reset-pass message from the 

port, the port is placed in service. If the link-reset-pass message is 

missed, and an off-hook message is received while the port is in the 

disconnected state, maintenance software will run an ID request test 

and put the port into service upon receiving a correct response.

Signaling

(Secondary Information

Channel unused)

Terminal

G3 PBX

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Digital

Line

Circuit

Pack

TDM

BUS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MPDM

or DA

in

stand-alone

mode

Primary Information Channel

Physical Connection

Digital

Line

Circuit

Pack

(Secondary Information

Channel unused)

Signaling

Physical Connection

Primary Information Channel

Host

Computer

with

DCE

Interface

MTDM

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Physical Connection

Secondary

MTDM

Primary

MTDM

Host

Computer

with

DCE

Interface

Host

Computer

with

DCE

Interface

Primary Information Channel

Physical Connection

Signaling

Digital

Line

Circuit

Pack

Secondary Information Channel