30 Voice over E1

30 Voice over E1 (PCM30/E1) converter, FXS/FXO over E1. BD-E1-MUX30 provides conversion between ITU-T G.703 standard E1 and 1-30 voice, realize the long-distance extend of telephone line through E1 channel.

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INFORMATION

Function

30 voice over E1 provides conversion between ITU-T G.703 standard E1 and 1-30 voice, realize the long-distance extend of telephone line through E1 channel. BD-E1-MUX30 is a high-performance, multi-type long-range Ethernet bridge. Its small size, low cost and very appropriate to the cost-sensitive bridging applications.

Features

realizes long-distance monitoring of local device to the remote device based on self-copyright IC;
provides two clock types: E1 master clock, E1 line clock;
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;
E1 supports 75Ω unbalanced and 120Ω balanced impedance at the same time;
Provides 30 voice channels, support calling indication
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: 2048kbps

Code: HDB3

Interface impedance: 75Ω (unbalanced), 120Ω (balanced)

Connecter: BNC (75 Ω), RJ45 (120 Ω)

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：600Ω(hanging off)