Loop-AM3440 - 24FXS/24FXO plug-in Card

Features:
  • 24 telephone connections for FXS
  • 24 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 card
  • Intended for use with -48Vdc powered main units
  • RJ 21X (Telco 50 pin) Connector
  • Occupies 2 AM3440 full size slot
Description

Loop Telecom’s 24FXS/24FXO plug-in cards are 2 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. The 24FXS provides 24 voice
interfaces connect to telephones. The 24FXO provide connections from telephone lines, either from a central office
or from a PBX in a single RJ21X (Telco 50pin) 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-AM3440-24FXS

Loop-AM3440-24FXS-G

24-channel FXS plug-in module with /600/ 900 Impedance, Battery Reverse, PLAR, without Ground Start and Metering Pulse

 

Loop-AM3440-24FXS-P

Loop-AM3440-24FXS-P-G

24-channel FXS plug-in module with 600/ 900 Impedance, Battery Reverse, PLAR, without Ground Start and Metering Pulse

 

 

 

PLAR bit programmable function

 

Loop-AM3440-24FXS-M Loop-AM3440-24FXS-M-G

24-channel FXS plug-in module with 600/ 900 Impedance, Battery Reverse, PLAR, [Metering Pulse]

24F FXS card functions

Loop-AM3440-24FXS-MPP Loop-AM3440-24FXS-MPP-G Loop-AM3440-24FXS-GS Loop-AM3440-24FXS-GS-G

24-channel FXS plug-in module with 600/ 900 Impedance, Battery Reverse, PLAR and PLAR bit programmable function, [Metering Pulse] 24-channel FXS plug-in module with 600/ 900 Impedance, Battery Reverse, PLAR, [Ground Start]

24FXS cards can only be used with -48 Vdc (SD and S5) power module and -125 Vdc (SD125) power module

Loop-AM3440-24FXS-GM Loop-AM3440-24FXS-GM-G

24-channel FXS plug-in module with 600/ 900 Impedance, Battery Reverse, PLAR, [Ground Start, and Metering Pulse]

 

Loop-AM3440-24FXS-GMP

Loop-AM3440-24FXS-GMP-G

900 Impedance, Battery Reverse, PLAR and PLAR bit programmable function, [Ground Start, and Metering Pulse] 24-channel FXS plug-in module with 600/

 

Loop-AM3440-24FXO

Loop-AM3440-24FXO-G

24-channel FXO plug-in module with 600/ 900 Impedance, Battery Reverse, without Ground Start and Metering Pulse

 

Loop-AM3440-24FXO-M

Loop-AM3440-24FXO-M-G

24-channel FXO plug-in module with 600/ 900 Impedance, Battery Reverse, [Metering Pulse]

24FXO-GM includes all

Loop-AM3440-24FXO-GS

Loop-AM3440-24FXO-GS-G

24-channel FXO plug-in module with 600/ 900 Impedance, Battery Reverse, [Ground Start]

FXO card functions

Loop-AM3440-24FXO-GM Loop-AM3440-24FXO-GM-G   24-channel FXO plug-in module with 600/900 Impedance, Battery Reverse, [Ground Start, and Metering Pulse]  

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Product Specifications
Voice Card (24FXS,24FXO)
Connector RJ21X(Teleco 50pin)
Alarm Conditioning CGA busy after 2.5 seconds of LOS, LOF
Encoding A-law or μ-law, user selectable together for all
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 Minimum Detectable Ringing 25 Vrms
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
38 to 85 Vrms (sine wave), 76 Vrms for default Vrms
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 Programmable
􀁹 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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