IndicatorsPassport 4400 Hardware Installation Manual
8-6
Digital Voice Expansion Module
There are 13 indicators associated with the Digital Voice Expansion Module, as
shown below.
Figure 8-4. Digital Voice Expansion Module Indicators
Table 8-6. Description of Digital Voice Expansion Module Indicators
Indicator State Status
OK Off Digital Voice Expansion Module is
not installed, off, or defective
Red Reset
Green Operational
1-12* Off Digital Voice Module is not installed
or defective
Green Digital Voice Module is installed,
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
*Indicators 1-12 represent voice channels C1-C12 when the Digital Voice Module is
located in LIM C, channels D1-D12 when the Digital Voice Module is located in LIM D.
(Refer to page 10-2 for information on LIMs.)
12 11 10 9 8 7
654321OK
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