Introduction:

ELAN800+B PDH　Optical Multiplexer is a kind of multi channel optoelectronic integrated transmission device consist of Extra Large Scale Integration as the core, support multi E1 interface/V.35 interface/Ethernet interface. 
 

Main Feature:

 1. Four general service slots, support multi service module (Hot Pluggable), on-demand configuration and expansion;

 2. System total capacity: 8* E1 digital path interface (2+2+2+2);

 3. Each slot can support 2*E1, or 2*V.35, or 2*RJ45 card;

 4. Matching function: Dual optical interface back-up; Dual power supply back-up;

 5. Support home terminal device power failure alarm function;

 6. Provide 1* RS232 asynchronous data interface;

 7. Provide 1* management interface, can achieve centralized monitoring and support system upgrade;

 8. Provide loop-back switch, support local and remote loop-back function;

 9. Adopting large scale chip, simple circuit, low power consumption, high reliability;

 10. Adapt to multi power supply environment -48VDC or 220VAC;

 11. Standard 19"1U chassis, small volume, light weight, working stably and reliably, easy to install.

 

Technical Parameter:
E1Interface Electrical Specification  

1. Nominal Speed Rate: 2048Kbps, Tolerance ±50ppm

2. Code Type: HDB₃

3. Interface Impedance: 75Ω(unbalanced)or 120Ω(balanced)is optional

4. Digital Interface Electrical Specification: Comply with ITU-TG.703 propose, Pulse waveform comply with sample as Pictue8.1

5. Jitter Characteristic: Comply with ITU-TG.823 propose

6. Input Jitter Tolerance: Comply with ITU-TG.823 propose

7. Output Jitter: Comply with ITU-TG.823 propose

8. Level: ±2.37V±10% or ±3.00V±10%

9.  Interface Connector is: BNC Coaxial Mount or RJ-45 Crystal Head
 

1. Single Mode Transmitting Optical Power: -3dBm ~ -9dBm

2. Single Mode Receiver Sensitivity: -33dBm ~ -40dBm

3. Fiber Connector: Dual SC/Dual FC/Single SC is optional;

4. Applicable Fiber: Single mode, Multi mode.
 

1. Connector: RS-232

2. Interface Level: RS-232 level

3. Interface Connector: RJ-45

4. Management Interface Baud Rate: 57600bit/s
 

1. DC Power Supply Voltage: -48VDC, Tolerance Range -24V~-72V

2. DC Power Supply Voltage: +24VDC, Tolerance Range +20V~+28V

3. AC Power Supply Voltage: 170V~270V

4. Power Consumption: ≤ 10W
 

1. Environment Temperature: 0~60℃    

2. Relative Humidity: ≤90%(35℃)

3. Atmospheric Pressure: 86-106Kpa
 
Dimension   

483×270×45 mm(Standard 19" 1U)