- Contact Person : Ms. Yao Jofines
- Company Name : Visint Communication Technology Co., Ltd.
- Tel : 86-20-82072838
- Fax : 86-20-82072818
- Address : Guangdong,Guangzhou,6/F, Bldg H, Jingye Street N0.4, Yushu Industrial Park, Science Center, Guangzhou, China
- Country/Region : China
- Zip : 510663
Voice Multiplexer over E1
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Voice Multiplexer,E1 PCM 30 provides 30 channels of voice signal through E1 channel torealize extension of telephone lines 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 users 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
Voice Multiplexer over E1
