Mini 4E1 PDH Fiber Optical Multiplexers Singlemode Double Fiber 20KM

The Mini 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. Special mini type version model can be used anywhere where space is limited, like outdoor boxes and cabinets, high equipment density populated areas and elsewhere!

Specifications

Single mode dural optical port-4 channels of E1 ports
Low power consumption
ISO certification
1+1 fiber redandancy are provided
Optional Power redundancy to ensure stable system
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
Optional power 1+1 to ensure stable system
Two fiber two direction and single fiber two direction
1+1 power,orderwire phone and the ALS and SNMP are optinal,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: 19-inch rack (with distribution frames rack)
Provide the 1+1 fiber back up
Optical optional by customer 's requirement

Interface

E1 interface	4E1 interface for 4E1
E1 rate: 2.048Mb/s±50ppm
Code type: HDB3
E1 Style: Pinfet
E1 comply with ITU-T G.703
Jitter compl y with ITU-T G.823 and G.742
E 1 with DB37. Be ab le to be with 75Ω (BNC) or 120Ω (RJ45) by adaptor in the accessory
Fiber	Optical rate: 16.896Mbit/s
optical style:1B1H
Default: dual fiber, single mode, 20km (40km optional)
connector: FC /SC
wavelength:1310nm
Receiver sensitivity:≤ -38dBm(BER ≤ 10-11)