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This device offers 4-port telephony and is highly versatile in its application. It features comprehensive alarm functions and operates with stability and reliability. It has low power consumption, high integration, and compact size.
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4-Port FXO/FXS over E1 PCM Multiplexer (19 Inch)
Model
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Description :
This device offers 4-port telephony and is highly versatile in its application.
Overview
Features
● The device supports 4-channel voice access with caller ID and reverse polarity billing function.
● It Supports mutual dialing between different sites.
● The E1 interface complies with the G.703 recommendation, utilizing full digital clock recovery and smooth phase-locked loop technology.
● The voice interface supports FXO ports and FXS ports. FXO ports connect to the PBX (Private Branch Exchange), while FXS ports connect to the user’s telephones.
● It can detect power loss or E1 failure at the remote end when the E1 signal is lost, indicated by the alarm LED.
● Multiple power supply options available: AC220V, DC-48V/DC24V, etc.
● DC-48V/DC24V power supply features automatic polarity detection, eliminating the need to distinguish between positive and negative poles during installation.
Parameters
● E1 Interface
Interface: Complies with G.703 recommendation
Speed: 2048Kb/s ±50ppm
Line Code: HDB3
Impedance: Unbalanced 75Ω / Balanced 120Ω.
Jitter Characteristics: Meets G.742, G.823 recommendations.
Input Attenuation Range: 0 to 6dBm
● FXS User Telephone Port
Ringing Voltage: 75V
Ringing Frequency: 25Hz
2-wire Input Impedance: 600Ω (off-hook)
Return Loss: 20dB
● FXO Trunk Port
Ringing Detection Voltage: 35V
Ringing Detection Frequency: 17Hz-60Hz
2-wire Input Impedance: 600Ω (off-hook)
Return Loss: 20dB
● Environmental Index
Operating Temperature: -10°C to +60°C
Storage Temperature: -40°C to +85°C
Operating Humidity: 0% to 95% (non-condensing)
MTBF: >100,000 hours
Specifications
| Product Name | 4-Channel Telephone E1 Voice Multiplexer |
| Function Description | Transmits 4 telephone channels (FXO/FXS/EM24) over E1 signal, rack-mounted |
| Port Description | 4 telephone interfaces |
| Power Supply | AC220V or DC-48V (optional) |
| Dimensions | 483mm (Width) x 138mm (Depth) x 44mm (Height) |
| Weight | 1kg/pcs |
Application
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Documentation and project verification
Before ordering or wiring, confirm the exact model and configuration, interface pinout, optical or network compatibility, power input and installation conditions. Optional configurations are not interchangeable.
Browse FCTEL technical documents · Request the current model-specific datasheet and wiring diagram
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