Detailed Product Description

Product Description:
      4E1 PDH Multiplexer is developed based on the VLSI chips. Relying on the advanced multiplexing technique, 4E1 PDH realizes 4 E1 and 100Mb/s fast Ethernet transmission with the function of Auto-Laser-Shutdown (ALS,optional).

Technology Characteristics:
  Supply multipath E1 transparent transmission

  Optical line bit rate is 150Mbps
  Complies with ITU-T G.703 on interface and G.742, G.823 on jitter performance
  All necessary alarm functions, supervises the status of remote terminal
  Orderwire telephone uses ordinary telephone

  As the remote terminal device,making up of the star-network with the rack device

  Supplies one customer RS232 transparent data channel
  Supplies RS232 for network management interface
  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 : 75Ω unbalanced(Declaration is needed if 120Ω balanced required)
   Coding: HDB3, according to ITU-T G.703
Order wire interface:
   Phone set: Standard 2-wire phone set
   Bandwidth: 64Kb/s
   Coding: PCM  
RS232 for management:
   Bit rate: 9600b/s
   Data width: 8bits
   Stop bit: 1bit
   Parity check bit: None
   Connector: DB9 (pin)
RS232 for customer data channel:
   Bit rate: ≤250kb/s
   Connector: DB9(pin)

 

General characteristics:
   Power : 220V±20% , -36 ~ -72V
   Power Consumption : < 5W
   Environment Temperature : 0-50
   Size : 483×180×44mm
   Net Weight : 2Kg