Loop-AM3440 -T1/ E1 Interface Card

  • Usable as a CSU/ DSU, T1 to E1 converter.
  • Full TSI capability among all time slots in the main unit
  • Remote diagnostics

Loop Telecom’s T1/E1 plug-in cards are a series of 2 different plug-in cards designed for the Loop-AM3440
Access DCS-MUX. They allow each DS0 time slot in T1 or E1 interfaces to be interchanged and multiplexed
onto a digital network. Clear channel (32 DS0 channels) is also available.
Continuous error checking, performance polling, and in-service diagnostics are provided through the main
controller of the Loop- AM3440 Access DCS-MUX. In addition, an LED on the plug-in provides status indication.

Ordering Information






(non RoHS compliant)

(RoHS compliant)



Loop-AM3440-T1 Loop-AM3440-T1-G T1 interface card  
Loop-AM3440-E75 Loop-AM3440-E75-G E1 interface card w/ 75 ohm
Loop-AM3440-E120 Loop-AM3440-E120-G E1 interface card w/120 ohm

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Product Specifications

Network Line Interface - T1
Line Rate 1.544 Mbps ± 50 bps Output Signal DSX1
Line Code AMI or B8ZS Framing D4/ESF (selectable)
Input Signal ABAM cable length up to 655 feet Connector RJ48C

Network Line Interface - E1
Line Rate 2.048 Mbps ± 50 ppm Framing ITU G.704
Line Code AMI or HDB3 Connector BNC/RJ48C
Input Signal ITU G.703 to -10dB Electrical 75 ohm Coax/120 ohm twisted pair
Output Signal ITU G.703 Jitter ITU G.823


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