30FXO/FXS PCM Voice Multiplexer Over E1

This model provides 1-30channels of voice signal through E1 channel to realize extension of telephone line through E1. E1 signal can be transmitted by fiber multiplexer.

Features

1. ■Monitoring remote device from local device (2 row indicator LED, upper indicates local, lower indicates remote）
2. ■Based on self copyright IC
3. ■Provides 1-30 channels of voice signal and supports call
4. ■indication and opposite pole charging
5. ■Supports function of signal transmission among all end points
6. ■Voice port supports O port and S port, O port connecting with exchange and S port with user’s telephone

Parameter

• 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

Dimension

Desktop type:483（W）×138（D）×44（H）mm

Power supply

• AC220V：input voltage: AC220V±20%，50HZ
• DC-48V：voltage error range: -36V～-72V

Operating Conditions

• Voltage:AC180V-260V, DC-48V, DC+24VPower Consumption:
• Working temperature:0°C~50°C
• Storage temperature:-40°C~+70°C
• Humidity:95%
• No causticity and solvent, dust free, and no strong magnetic interference.