4E1 PDH Multiplexer is developed based on the VLSI chips,realizes 4 E1 transmission with the function of Auto-Laser-Shutdown

Product Description:

   4E1 PDH Multiplexer is developed based on the VLSI chips. Relying on the advanced multiplexing technique, 4E1 PDH realizes 4 E1 transmission with the function of Auto-Laser-Shutdown (ALS, optional).

Technology Characteristic:

   Supports 4  E1  transparent transmission

   Fiber line bit rate is 150Mb/s

   Complies with ITU-T G.703, G.742, G.823 on E1 jitter performance

   All necessary alarm functions, supervises the status of remote terminal

   Supplies RS232 network management interface

   Supplies one customer RS232 transparent data channel

   AC 220 or DC-48 is optional.

   Single board design, 1U, and 19 Inch standard.

 

Interface parameters:

Optical Interface:

NAME	OPTION	STANDARD
Transmit Mode	Single/ Multi-mode	Single Mode
Module	Single/Double Fiber	Double Fiber
Interface	FC/SC/ST	FC
Wavelength	1310nm/1550nm	1310nm
Distance	2Km/40Km/60Km/120Km	40Km

E1 Interface:

  Bit rate: 2.048Mb/s,±50ppm

  Impedance: 75 unbalanced and 120Ω balanced

  Coding: HDB3, according to ITU-T G.703

  Jitter: complies with ITU-T G.703,G.823 and G.742

Working Condition:

  Power Supply: AC 220V±20%,DC -48±20%

  Power Consumption: ≤5W

  Environment Temperature: 0~50

  Opposite Humidity:≤90%

Other Characters:

  Dimension: 483*44*160mm

  Weight:2Kg

   

  

4E1 Multi-functional service equipment PDH