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  • E1 G.703/G.704 to POTS FXS/FXO conversion;
  • V35, 2/4 E&M, RS-232, and Ethernet ports as options along with voice.
  • The voice interface supports caller ID display;
  • Provides two clock types: E1 master clock, E1 line clock
  • Provides 2 kinds of loop-return function, namely E1 self-looping at local end,
    ordered self-loop at remote end;
  • realize the automatically rate set of local device to remote device
  • has the function of pseudo-random code testing, convenient for opening of the circuit,and can be used as an error code instrument;
  • realizes long-distance monitoring of local device to the remote device based on self-copyright IC;
  • E1 supports 75 Ohm unbalanced and 120Ohm balanced impedance at the same time;
  • Provides 30 voice channels, support calling number indication, DDI and other features;
  • Voice port supports O port and S port, O port connects switch and S port connects user’s phone;

E1 interface
Interface standard: Conforms to G.703 standard
Interface rate: N×64Kbps, N:1~31
Code: HDB3
Interface impedance: 75A (unbalanced), 120A (balanced)
Connecter: BNC (75 A), RJ45 (120 A)
Vibration characteristic: Satisfies G.742 and G.823 standard
Clock type: internal-clock, line clock

FXS phone port
Ring voltage:75V
Ring frequency:25HZ
Two line input impedance:600A(hanging off)
Wastage:40 db

FXO switch port
Ring test voltage:35V
Ring test frequency:17HZ-60HZ
Two line input impedance:600A(hanging-off)
Wastage:40 db

V.35 interface
Interface type: V.35 synchronous
Velocity: N×64Kb/s (N =1~15)
Clock mode: DCE

Operating temperature: -25 C~+70 C
Storage temperature: -40 C~+80 C
Relative temperature:95% (uncondensed)

Power supply
option I – DC-48V,range DC-36V~DC-72C
option II – AC220V,range AC165V~AC265V


Application example:



Basic configuration: PCB panel+1*E1(support BNC 75ohm and RJ45 120ohm),DC-48V built-in


1 additional FXO channel


1 additional FXS channel


Ethernet channel


RS-232 channel


V.35 channel


AN-E1-MUXlite provides conversion between ITU-T G.703 standard E1 framed interface and up to 30 FXS/FXO standard POTS analogue telephone lines. AN-E1-MUXlite is the fundamental equipment for the digital communication system and it
has another name, i.e. PCM basic group equipment. The equipment is used to converge the
signals such as voice, data and image into a standard 2M interface via various interface boards,
and realize point-to-point transmission. V35, 2/4 E&M, RS-232, and Ethernet ports as options along with voice over same E1.

Additional information

E1 ports


Voice Ports (Telephone)