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SpecificationsPassport 4400 Hardware Installation Manual
C-8
FXO Signaling Specifications
Model 5000V/XOL
Model 5000V/XOX)
Signaling Formats
AC:
DC:
DTMF
Pulsed
TMF Distortion: 1<1.15% (transparently passed)
Pulse Distortion: <3%
DC Loop Range
48 V Battery:
42.5 V Battery:
<1750 ohms
<
1500 ohms
Disconnect Supervision
Tone:
Power Interrupt:
Voice/fax transmission will be disconnected in
response to a call progress tone of less than 600 Hz.
Voice/fax transmission will be disconnected in
response to a pulse of 600 ms minimum.
Off-Hook DC V/I
Characteristics at Tip-
Ring:
<300 ohms (20 mA)
Ringing Voltage Input,
18 to 53 Hz
Detect:
Not Detect:
>25 VRMS
<
15 VRMS
Ring detector
capacitance, when
strapped for use in
France:
Off-hook and busy line
current limit when
strapped for use in
Spain:
Interface resistance
during dial pulsing
when strapped for use in
Germany/Switzerland:
0.37 of uf maximum
60 miliamperes
<240 ohms