This device provides one E1 interface,4Channel telephoneoutput,2Channel RS232/422/485and4Channel Ethernetoptional. The device circuit is the digital circuit. The working isreliable, stable, and low power consumption, high integration, small size, ease of installation and maintenance. Many customers are leased from telecom operators E1 line used in computer networking, can use this device in the E1 leased line opened on a few channel telephone. Then between Headquarters and the branch can callfor free.
E1 Interface
Interface Standard: comply with protocol G.703;
Interface Rate: n*64Kbps±50ppm;
Interface Code: HDB3;
E1 Impedance: 75Ω (unbalance), 120Ω (balance);
Jitter tolerance: In accord with protocol G.742 and G.823
Allowed Attenuation:0~6dBm
Ethernet interface (10/100M)
Interface rate: 10/100 Mbps, half/full duplex auto-negotiation
Interface Standard: Compatible with IEEE 802.3, IEEE 802.1Q (VLAN)
MAC Address Capability: 4096
Connector: RJ45, support Auto-MDIX
FXS Phone Interface
Ring voltage: 75V
Ring frequency: 25HZ
Two-line Impedance: 600 Ohm (pick up)
Return loss: 40 dB
FXO Switch Interface
Ring detect voltage: 35V
Ring detection frequency: 17HZ-60HZ
Two-line Impedance: 600 Ohm (pick up)
Return loss: 40 dB
EM 2/4 Line
AD: 0dB
DA: -3.5dB
Two/Four-line Impedance: 600 Ohm
Return loss: 20 dB
Power
Power supply: AC180V ~ 260V;DC –48V;DC +24V
Power consumption: ≤10W
Dimension
Product Size: Mini Type 216X138X31mm(WXDXH)
Simple Packaging: 274X193X31mm(WXDXH)
Piece Weight : 1kG
Working environment
Working temperature: -10°C ~ 50°C
Working Humidity: 5%~95 % (no condensation)
Storage temperature: -40°C ~ 80°C
Storage Humidity: 5%~95 % (no condensation)