- Description
4FXO/FXS PCM Voice Multiplexer Over E1
This model provides 1-4channels of voice signal through E1 channel to realize extension of telephone line through E1. E1 signal can be transmitted by fiber multiplexer.
Description
This model provides 1-4channels of voice signal through E1 channel to realize extension of telephone line through E1. E1 signal can be transmitted by fiber multiplexer.
Features
¡öMonitoring remote device from local device (2 row indicator LED, upper indicates local, lower indicates remote£©
¡öBased on self copyright IC
¡öProvides 1-4 channels of voice signal and supports call
¡öindication and opposite pole charging
¡öSupports function of signal transmission among all end points
¡öVoice 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¡À50ppm
Impedance:75¦¸ (unbalance)/ 120¦¸ (balance)
Connector:BNC (75¦¸)/ RJ45 (120¦¸)
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:600¦¸ (hanging off)
Wastage:40db
FXO Exchange Port
Ring detecting voltage:35V
Ring detecting frequency:17HZ-60HZ
2 line input impedance:600¦¸ (hanging off)
Wastage:40db
Dimension
Desktop type:483£¨W£©¡Á138£¨D£©¡Á44£¨H£©mm
Power supply
AC220V£ºinput voltage: AC220V¡À20%£¬50HZ
DC-48V£ºvoltage error range: -36V¡«-72V
Operating Conditions
Voltage:AC180V-260V, DC-48V, DC+24V
Power Consumption:<=10Watts
Working temperature:0¡ãC~50¡ãC
Storage temperature:-40¡ãC~+70¡ãC
Humidity:95%
No causticity and solvent, dust free, and no strong magnetic interference.