Product Description

Feature
 Based on self -copyright  IC
 E1 interface comply with G.**3, adopts digital clock recovery and smooth phase-lock technology
 Voice port supports FXO and FXS port, EM2/4 audio interface, FXO port docking with program-controlled switchboard, FXS port connected to the user's telephone;
 Voice FXO/FXS access, supports caller ID feature and reverse polarity billing functions
 Support various sites mutual number allocation function
 Provide 4 expansion interface, you can extend 1~4Channel asynchronous data, such as    RS**2/RS**5/RS**2/Manchester code; 1~4Channel voice, 1~8Channel switch , or two/four line audio and  so on
 Ethernet interface supports*0M/**0M, half/full duplex auto- adaptable, support VLAN
 4Channel Ethernet interface is switch interface, support VLAN, can set to 4 channel logical isolation
 Ethernet interface can support AUTO-MDIX (crossed line and straightly connected line self-adaptable )
 The transmission distance is up to ****0Km without interruption
 AC **0V, DC**8V, DC*4V can be optional
 
Technical ParametersTechnical parameters
u Fiber
 
Multi-mode Fiber
 
*0/**5um, *2.5/**5um,
Maximum transmission *: *@******************** mode fiber, attenuation (3dbm/km)
Wave Length: **0nm
Transmitting power: **2dBm (Min) ~*9dBm (Max)
Receiver sensitivity: **8dBm (Min)
Link budget: *6dBm
 
 Single-mode Fiber
 
8/**5um, 9/**5um
Maximum transmission distance: **0Km
Transmission distance:**0KM