Loop-AM3440-B - QE&M Voice Card

  • Five E&M signaling types are supported: Type I, Type II, Type III, Type IV, and Type V.
  • B-side E&M is normal, A-side is available
  • TO (Transmit Only) supported
  • User programmable A-law or μ-law coding
  • User programmable loss adjustment
  • User programmable balance 600/900 ohm impedance
  • CAS Signaling convention



Loop Telecom’s Q2W/4WE&M plug-in card is designed for the Loop-AM3440-B. E&M provide user selectable A-law or 贡-law coding. The AM3440-B E&M card requires an external cable to support 4-RJ45 ports for connecting to PBX tie lines, carrier facilities, or 4-wire modems. Each RJ45 port has 8 pins supporting the following signaling and transmission pairs: E/M, SG/SB, T/R, and T1/R1. Each 2W/4W E&M card has 3 daughter cards to support multiple choices of TYPES, A/B sides and 2-wire/4-wire manufacture option. User can order pluggable daughter cards for type I, II, III, IV, V and TO (Transmit Only) signaling options. The TO type provides dedicated 4-wire transmit and receive paths to lease-line modem equipment. There are choices of two side mode daughter cards: Using A side mode, the card can operate as switching equipment. Using For B side mode, the card can operate as channel equipment. LEDs provide channel setting and channel status indicators.

Ordering Information

 No Special Codes

Enter and submit form and we will contact you straight away:

onsubmit="return jcap();" name="Loop-AM3440-QE&M Card Request Form">

 Please specify the Brand and Model Number:

* Brand & Model
* Product type (modem, router, etc.)
Part # (if available):

 *I am the End User Reseller (tax-ID required at time of purchase)

Describe your application requirements with as much detail as possible:   

  Contact  Information - Our Privacy Policy is: We do not sell, trade, give or share information
   provided to us to anyone.

    First Name: Last Name: Title: 
    Company:   Mail Stop:   

    City:            State: Postal Code:  Country:
    Telephone: FAX:   
    Email:         URL:   

Enter the code below as it is shown:




| Home | Products Search | Order | email |

National Datamux 2009. - All products, logo's and brand names mentioned are trademarks or registered trademarks of their respective owners.