
Specifications
Passport 4400 Hardware Installation Manual
C-7
FXS Signaling Specifications
:
Signaling Formats
AC:
DC:
DTMF
Pulsed
DTMF Distortion:
<1.5% (transparently passed
Pulse Distortion:
<3%
Battery current into 130
ohm load:
>36 milliamperes
Battery current into 900
ohm total loop:
20 milliamperes minimum
Ringing Tone (Software
Selectable):
25 Hz (default), or 50 Hz + 2 Hz
Ringing Voltage, with Ac
Load of 2 Ringers (4000
ohms and zero line 25 Hz
Tone:
>54 VRMS
20 and 50 Hz Tones:
>50 VRMS
Ringing Current:
>16 milliamperes into 5000 ohm load
Ring Cadence
Repeated Ring:
Interrupted Ring:
Matches ringing cadence from remote voice/fax
channel
On for 2 seconds, off for 4 seconds.
Ringing Cadence Repeat
Distortion:
<2%
Содержание Passport 4430
Страница 8: ...viii ...
Страница 10: ...About this document Passport 4400 Hardware Installation Manual x ...
Страница 16: ...Introduction Passport 4400 Hardware Installation Manual 1 6 ...
Страница 24: ...Installing the Passport 4400 Passport 4400 Hardware Installation Manual 2 8 ...
Страница 56: ...T1 E1 and Digital Voice Modules Passport 4400 Hardware Installation Manual 5 16 ...
Страница 84: ...Interface Modules WAN Passport 4400 Hardware Installation Manual 7 8 ...
Страница 106: ...General Installation Passport 4400 Hardware Installation Module 10 8 ...
Страница 148: ...Regulatory and Telephone Company Requirements Passport4400 Hardware Installation Manual B 16 ...
Страница 158: ...Specifications Passport 4400 Hardware Installation Manual 10 ...
Страница 164: ...T1 Voice Module Cabling Requirements Passport 4400 Hardware Installation Manual D 6 ...
Страница 168: ...PBX Interface Connection Diagrams Passport 4400 Hardware Installation Manual E 4 ...
Страница 175: ......