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FXS+ Option Module Specifications
Voice Channels
Transmission Levels
Frequency Response
2-Wire Impedance
2-Wire ERL
2-Wire SRL
THL ERL
THL SRL
Longitudinal Bal
Rx Idle Channel Noise
Tx Idle Channel Noise
Loop Current
Loop Range
Extended Range
Operating Temperature 0 - 45 degrees C, 95% humidity, non-
Connector
Ring Generator
Tests
61200300L1-1
•
Selectable response during carrier failure
•
Full V.90 modem connect capability (56.6 kbps)
•
Provides FXS forward disconnect capability
•
Line Side Answer Supervision (LSAS) is supported for
FXS_LS, FXS_GS, TANDEM_LS, TANDEM_GS, Single,
and UVG modes of operation
•
Hot replaceable
The FXS+ option module conforms to the following
specifications:
FXS+ Quad & Dual Voice Option Module User Manual
2/4
TX: +3 to -5 dB TLP, 1 dB steps
RX: 0 to -8 dB TLP, 1 dB steps
300 - 3400 Hz (+ 1.0 dB)
600 Ω + 2.15 µF
>26 dB
>20 dB
>26 dB
>20 dB
>52 dB
<15 dBrnc
<20 dBrnc
25 mA (constant current)
0-600 Ω
Up to 730 Ω at >20mA
condensing
RJ-45
20 Hz 40 Vrms 2.0 REN, per port
Power-on circuit test
Signal bits monitoring and setting
1 kHz test tone generation
Force 2-wire port output state
Chapter 1. Introduction
1-3
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