4E1 PDH Fiber Optical Multiplexers Singlemode Dual Fiber 20KM 19` Inch Rack (with the orderwire phone)

4E1 PDH Fiber Optical Multiplexers Singlemode Dual Fiber 20KM 19 Inch Rack(with the orderwire phone)

The 4E1 PDH fiber optical multiplexer is a fiber media transport for 4 x G.703 E1 transmission. The BNC model provides unbalanced 75 Ohm coaxial connections while the RJ-45 model provides balanced 120 Ohm connections over twisted pair wiring. All media converters are available with either multi-mode or single-mode optical tranceivers and with connectors for SC or FC.

Specifications

• Single mode dual optical port-4 channels of E1 ports
• Low power consumption
• ISO certification
• Optional fiber redandancy are provided
• Optional Power redundancy to ensure stable system
• Optional orderwire phone are provided
• Optional function of ALS and SNMP

Main Feature

• Provide 4E1 interface (120BG telephone channel)
• Provide function of 4E1 remote loop,fiber local loop,and 1 interface phone
• Two fiber two direction and single fiber two direction
• Optional power 1+1 to ensure stable system
• Optional 1+1 fiber and the ALS and SNMP,Please state the requirement when in order
• 4E1 PDH multiplexer realizes 1~4E1 transmission over fiber
• E1 spur track loop back testing features, easy to be installed and maintenance
• External dimensions: The 19 inch rack
• Optical optional by customer 's requirement

Interface

Power Requirements

• Power Input: AC /DC optional
• AC180V~240V
• DC-36V~DC-72V
• DC+20V~DC+36V
• Power Consumption: <6Walt

Working Environment

• Operating Temperature: 0℃ ~+50℃
• Storage Temperature: -40℃ ~+70 ℃