• Can monitor the remote alarm status
• E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology
• Voice port supportsFXO and FXS port, EM2/4 audio interface, FXO port docking with program-controlled switchboard, FXS port connected to the user's telephone;
• Provide4 expansion interface, you can extend 1~4Channel asynchronous data, such as RS232/RS485/RS422/Manchester code; 1~4Channel voice, 1~8Channel switch , or two/four line audio and so on
• Ethernet interfacesupports10M/100M, half/full duplex auto- adaptable and VLAN
• Ethernet interface can supportAUTO-MDIX(crossed line and straightly connected line self-adaptable)
• 1-4Channel voice access, supports caller ID feature and reverse polarity billing functions
• Support various sites mutual number allocation function
• HaveLED when the device is power-off or E1 line is broken or lose signal;
• Provide 2 clock types: E1 master clock and E1 line clock
• Havethree Loop Back Mode: E1 interface Loop Back (ANA),Ethernet interface Loop Back(DIG),Command the remote Ethernet interface Loop Back(REM)
• Have pseudo random code test function, easily line opened, can be used as a 2M BER Tester
• E1 interface can support N*64k(N=1-32)rate, the rate is 64K-2048K
• AC 220V, DC-48V, DC24V can be optional

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)