Loop-AM3440 -A/B- 12 FXS/FXO Voice Interface Card

Features:
  • 12 telephone connections for FXS
  • 12 central office or PBX line connections for FXO
  • PLAR supported
  • Loop start or Loop start/ground start option
  • Battery reverse supported
  • DID supported
  • 12KHz and 16KHz metering pulse option.
    􀁺 A, B, C, D signaling bit software programmable
    􀁺 A-law or μ-law coding
    􀁺 Most signaling conventions supported
    􀁺 Multi-color LED indicators for each port
    􀁺 Intended for use with -48Vdc powered main units
Description

Loop Telecom’s 12FXS/12FXO plug-in cards are a series of 1 plug-in cards designed for the Loop-AM3440. It allows
voice frequency interfaces to be multiplexed as a 64 Kbps DS0 signal onto a digital network. 12 FXS provides 12
voice Interfaces connect to telephones. 12FXO provides connections from telephone lines, either from a central
office or from a PBX in RJ11X12 connector
Coding is either A-law or μ-law selectable by user. Most popular signaling conventions are supported, including
PLAR.

Ordering Information

To specify options, choose from list below:

Model

Model

Description

Note

(non RoHS compliant)

(RoHS compliant)

 

 

Loop-AM3440-12FXS-sn

Loop-AM3440-12FXS-sn-G

12-channel FXS plug-in module with 600/

 

 

 

900 Impedance, Battery Reverse, PLAR,

 

 

 

without Ground Start and Metering Pulse

 

Loop-AM3440-12FXS-P-sn

Loop-AM3440-12FXS-P-sn-G

12-channel FXS plug-in module with 600/

 

 

 

900 Impedance, Battery Reverse, PLAR,

 

 

 

without Ground Start and Metering Pulse

 

 

 

PLAR bit programmable function

 

Loop-AM3440-12FXS-M

Loop-AM3440-12FXS-M-G

12-channel FXS plug-in module with 600/ 900 Impedance, Battery Reverse, PLAR,

12FXS cards can only be used with -48 Vdc

 

 

[Metering Pulse]

(SD and S5) power

Loop-AM3440-12FXS-MPP

Loop-AM3440-12FXS-MPP-G

12-channel FXS plug-in module with 600/ 900 Impedance, Battery Reverse, PLAR

module and -125 Vdc (SD125) power module

 

 

and PLAR bit programmable function, [Metering Pulse]

12FXS-GMP includes all FXS card functions

Loop-AM3440-12FXS-GS

Loop-AM3440-12FXS-GS-G

12-channel FXS plug-in module with 600/

 

 

 

900 Impedance, Battery Reverse, PLAR,

 

 

 

[Ground Start]

 

Loop-AM3440-12FXS-GM-sn Loop-AM3440-12FXS-GM-sn

12-channel FXS plug-in module with 600/

-G

900 Impedance, Battery Reverse, PLAR,

 

[Ground Start, and Metering Pulse]

Loop-AM3440-12FXS-GMP Loop-AM3440-12FXS-GMP-G

12-channel FXS plug-in module with 600/

 

900 Impedance, Battery Reverse, PLAR

 

and PLAR bit programmable function,

 

[Ground Start, and Metering Pulse]

Loop-AM3440-12FXO Loop-AM3440-12FXO-G

12-channel FXO plug-in module with 600/

 

900 Impedance, Battery Reverse, without

 

Ground Start and Metering Pulse

Loop-AM3440-12FXO-M Loop-AM3440-12FXO-M-G

12-channel FXO plug-in module with 600/

 

900 Impedance, Battery Reverse,

 

[ Metering Pulse ] 12FXO-GM includes all

Loop-AM3440-12FXO-GS Loop-AM3440-12FXO-GS-G

12-channel FXO plug-in module with 600/ FXO card functions

 

900 Impedance, Battery Reverse, [ Ground

 

Start ]

Loop-AM3440-12FXO-GM Loop-AM3440-12FXO-GM-G

12-channel FXO plug-in module with 600/

 

900 Impedance, Battery Reverse, [ Ground

 

Start, and Metering Pulse ]


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Product Specifications
Voice Card (12FXS,12FXO)
Connector RJ11 x 12
Alarm Conditioning CGA busy after 2.5 seconds of LOS, LOF
Encoding A-law or μ-law, user selectable together for all
AC Impedance Balanced 600 or 900 ohms (selectable together for all)
Longitudinal Conversion Loss > 46dB
Cross talk measure Max -70dBm0
Gain Adjustment -21 to +10 dB / 0.1dB step transmit & receive
Signal/ Distortion > 25dB with 1004 Hz, 0dBm input
Frequency Response - 0.25 to -1 dB from 300 to 3400 Hz, coincide with ITU-T G.712
Idle Channel Noise Max. –65 dBm0p
Variation of Gain ±0.5dB
FXO Ringing REN 0.5B (AC)
Detectable Ringing 25 Vrms
Loop Resistance ≦1800 Ω
DC Impedance (ON-HOOK) > 1M Ω
DC Impedance (OFF-HOOK) 235 Ω@ 25 mA feed
90 Ω@ 100 mA feed
FXS Loop Feed Normal - 48Vdc with 25mA current limit
FXS signaling Normal / Automatic Ringdown
FXS Ringing 1 REN at 5K meters per port
16.5Hz, 20Hz, 25Hz, 50Hz, user selectable for all ports
38 to 85 Vrms (sine wave), 76 Vrms for default Ring Voltage
2 sec on 4 sec off, or 1 sec on 2 sec off optional for PLAR
Signaling Loop Start, DTMF, pulse, PLAR, Battery Reverse
Optional Signaling (for special order)
Ground Start, Metering pulse (12KHz, 16KHz), and P( in PLAR mode, PLAR signaling bits are programmable.
Signaling Bit A,B,C,D Programable bit
􀁹 All in-band signaling tones are carried transparently by the digitizing process.
􀁹 Customer is responsible for in-band signaling compatibility between a telephone and a switch, or between a PBX and a switch.


 

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