Analog Line Interface (Fxs); Audio Specifications - Aastra TA7102i Hardware Installation Manual

Analog Line Interface (FXS)

7.5
•
RJ-11 connectors
•
Direct connection to a fax machine or telephone (Internal installation and internal
cabling)
•
DC feeding of the access line protected for over voltage
•
Loop current detection and hook flash detection capable
•
Generation of Selective Ring
Table 15: Analog Line Interface

Audio Specifications

7.6
•
Software-adjustable dynamic and static jitter buffer protection.
•
Programmable by country: Call progress tone generation including dial tone, busy tone,
ringback and error tones.
•
DSP-based echo control device.
•
Silence detection/suppression level software adjustable.
© 2014 Aastra Sweden | 153_1531 ANF 90114| A | 2014-01-24
Fax Data
C i
Fax Transmission
Parameter
Trunk Type
Ring Source
Nominal Impedance
Ring Drive Capacity
Loop Current Range
Ring Trip Detection
Ti
On Hook Voltage
Frequency Response
Return Loss
MH
Up to 14.4 kbps
Description
Loop Start: capable of Wink and Immediate
signalization
50 VRMS max @ 20 up to 50 Hz (selectable)
sine signal
BellCore compliant 600/900 ohms default
setting.
Up to 4 ringer equivalents (4 RENs) per port.
15 to 32 ma factory set. Default 20 ma
regulated.
2 ring cycles max
-48 VDC
200 Hz to 3400 Hz ±3 dB (Tx/Rx)
500-3200 Hz: 30 dB
44
TA7102i Hardware Installation