
Indicators
Passport 4400 Hardware Installation Manual
8-7
Analog Voice Module and Universal Analog Voice Module
There are a total of six indicators associated with each voice/fax channel of both
the Analog Voice Module and the Universal Analog Voice Module. The following
figure shows and describes the functions of the indicators during normal
operation.
Note:
During network code download, each red indicator is turned
on and off sequentially for 1 second.
Figure 8-5. Analog Voice Module Indicators
Table 8-7. Description of Analog Voice Module Indicators
Indicator
State
Status
OK
On
Channel is in normal operating mode.
Flashing
Channel is in fax mode.
Off
Channel is inoperative.l
LO
On
E&M or FXS – channel is off-hook.
FXO outgoing call – second dial tone is heard.
FXO incoming call – call is answered.
Flashing
Channel is in busyout state.
RO
On
Remote channel is attempting to contact local channel.
LS
On
Voice/fax traffic is flowing to remote end.
RS
On
Voice/fax traffic is obtained from remote end.
TM
Always off
OK LO RO LS RS TM OK LO RO LS RS TM
Dual Channel
OK LO RO LS RS TM
Single Channel
Summary of Contents for Passport 4430
Page 8: ...viii ...
Page 10: ...About this document Passport 4400 Hardware Installation Manual x ...
Page 16: ...Introduction Passport 4400 Hardware Installation Manual 1 6 ...
Page 24: ...Installing the Passport 4400 Passport 4400 Hardware Installation Manual 2 8 ...
Page 56: ...T1 E1 and Digital Voice Modules Passport 4400 Hardware Installation Manual 5 16 ...
Page 84: ...Interface Modules WAN Passport 4400 Hardware Installation Manual 7 8 ...
Page 106: ...General Installation Passport 4400 Hardware Installation Module 10 8 ...
Page 148: ...Regulatory and Telephone Company Requirements Passport4400 Hardware Installation Manual B 16 ...
Page 158: ...Specifications Passport 4400 Hardware Installation Manual 10 ...
Page 164: ...T1 Voice Module Cabling Requirements Passport 4400 Hardware Installation Manual D 6 ...
Page 168: ...PBX Interface Connection Diagrams Passport 4400 Hardware Installation Manual E 4 ...
Page 175: ......