T1/e1 voice module, Digital voice channel status indicators, T1/e1 voice module -2 – Nortel Networks Passport 4400 User Manual

Page 112: Digital voice channel status indicators -2

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Indicators

Passport 4400 Hardware Installation Manual

11-2

T1/E1 Voice Module

There are 13 indicators associated with the T1/E1 Voice Module -- six for the
Digital Voice channels, and seven for the Voice Module.

Figure 11-3. T1/E1 Access Module Indicators

Digital Voice Channel Status Indicators

Indicators 1 through 6 represent, respectively, the status of the digital voice
channels B1 through B6, as follows:

Table 11-2. Digital Voice Channel Status Indicators

State

Status

Off

Digital Voice Module not installed or defective, or power is off

Green

Digital voice channel is connected, and active voice call is in progress

Flashing green

Test in progress

Quick-flashing green

Download in progress

Amber

Idle (both ends on-hook)

Flashing amber

Fax call in progress

Red

Waiting for code download

Flashing red

Busy

Quick-flashing red

Alarm/Test Failure

Digital Voice Channel

Status Indicators

6

5

4

3

2

1

T1/E1 Status

Indicators

D2

D1

DT

DA

XT

XA

AT

D2

D1

2T

2A

1T

1A

AT

T1:

E1:

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