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8*E1+4*10/100/1000 Gigabit Ethernet PDH Fiber Multiplexer
The 8E1 fiber multiplexer realize 8E1 and 4*10/100/1000M Gigabit ethernet over fiber transmission.Large ethernet data capacity.

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BD-OP-8E1-4GE is the 8E1 point-to-point optical transport equipment that uses the FPGA chips and it is easy to upgrade. It is single board structure and the largest transmission capacity is 8E1 and 4*10/100*1000M Ethernet data.The outer design use the standard 19 inches rack, so the volume is small, weight is light and operation is convenient and credit.


  •  Provides 8 E1 transparent transmission ;
  •  Provide 1~4 channel 10/100*1000M Ethernet ,4 Ethernet support VLAN isolation for option

  • The rate of optical port is 1.25G, transmission
  • E1 interface code is HDB3E1 vibration characteristic conforms to ITU-T G.703G.823 and G.742;

  •  Ethernet port supports full/half duplex, 10M/100/1000M auto-ataptable;
  • Has complete alarm function for device status;
  • Supports E1 loop from remote so as to detect and manage device conveniently;
  • he combination AC220V and DC-48V for redundant for option

1.25G Optical interface     
Optical wavelength: 850nm/1310nm for multi-mode optical interface,
                           1310nm/1550nm for single-mode optical interface 
Optical interface: SC/FC 
Receiving and dispatching module: >-6dBm 
Optical receiver receiving sensitivity: <-36dBm 
Dynamic range receiving: >-30dB 
Transmitting range: Multi-mode 2 Km, single-mode 40Km, single-mode 60 Km, single-mode 120Km 
Vibration characteristic: Satisfies G.742 and the G.823 standard

E1 interface    
Interface code: HDB3 code 
Line speed: 2.048Mbp/S ą50ppm 
Interface standard: ITU-T G 703 
Interface impedance: 75ohm/unbalanced or 120ohm/ balanced 

Gigabit Ethernet Interface:

Interface rate:10/100/1000Mbps

Port number:4 UTP

Interface characteristic: IEEE802.3, IEEE802.1Q
Connector: RJ45 

Mechanical Specifications

Rack Mounting

Standard 19-inch DIN rack  


19inch 1 U: 433mm(L)*138mm(D)*44mm(H)


SNMP central management via chassis for option, pls notisfy when order

Power Supply

Input AC/DC voltage

-48V DC ( nominal ) / AC also available

Range of input

-36V to -72V DC /90V~260VAC


0  centi degree to 55 centi degree


95% RH (non-condensing)


Convection Cooling

8E1 Gigabit ethernet fiber multiplexer application

Ordering information

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