30 ports FXO/FXS over E1 PCM multiplexer

30 ports FXO/FXS over E1 PCM multiplexer

30 ports voice over E1 PCM Multiplexer

30 ports FXO/FXS over E1 PCM Multiplexer

30 ports 2-wire 4-wire to E1 PCM Multiplexer

  • Description
  • Inquiry

30 voices over E1 PCM modulation,FXO/FXS E&M E1 PCM :PCM-E30

Introduce
PCM-E30 provides 30 channels of voice signal through E1 channel to realize extension of telephone line through E1. E1 signal can be transmitted by fiber PCM modulation.

Features

  • Monitoring remote device from local device (2 row indicator LED, upper indicates local, lower indicates remote)
  • Based on self copyright IC
  • Provides 30 channels of voice signal and supports call indication and opposite pole charging
  • Supports function of signal transmission among all end points
  • Voice port supports O port and S port, O port connecting with exchange and S port with user’s telephone

E1 interface
Standard: conforms to G.703 standard.
Coding:HDB3
Interface rate:2.048Mbps±50ppm
Impedance:75Ω (unbalance), 120Ω (balance)
Connector: BNC (75Ω), RJ45 (120Ω)
Jitter Performance: according to G.742 and G.823
Clock: internal clock, line clock.

FXS Telephone Port
Ring voltage: 75V
Ring frequency:25HZ
2 line input impedance:600Ω (hanging off)
Wastage: 40db

FXO Exchange Port
Ring detecting voltage:35V
Ring detecting frequency:17HZ-60HZ
2 line input impedance: 600Ω (hanging off)
Wastage:40db

2/4 wire E&M interface card
Channel quantity per card: 2
Standard referred to: ITU-T,REC,G.714
Transmit relative level: +3,0, -3dBr adjustable
Receive relative level: +3,0, +3dBr adjustable
Signaling mode: E&M
Interface impedance: 600Ω
Subscriber physical connector: RJ45

Dimension
Desktop type:483(W)*250(D)*44(H) mm

Operating Conditions
Voltage:AC180V-260V, DC-48V, DC+24V
Power Consumption:<=5 Watts
Working temperature:0°C~50°C
Storage temperature: -40°C~+70°C
Humidity: 95%

 

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