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PCM-E30:30 FXO/FXS E&M over E1 PCM multiplexer


30 FXO/FXS E&M over E1 PCM multiplexer

More details


30 FXO/FXS E&M over E1 PCM multiplexer:PCM-E30

Function

 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 multiplexer.

 

Features
1.Based on self copyright IC
2.Provides 30 channels of voice signal and supports call indication and opposite pole charging
3.Supports function of signal transmission among all end points
4.Voice port supports O port and S port, O port connecting with exchange and S port with user’s telephone


Parameter & Index
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-TRECG.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%

 

Typical Application

E1 PCM Multiplexer