Introduction:
ELAN400 PDH Optical Multiplexer is a kind of optic transmission device support multi E1 interface/V.35 interface/Ethernet interface; apply to small capacity switch networking, users’ ring networking, mobile communication (base station), private network, DDN network, etc.
Main Feature:
1 Two general service slots, support multi service module (Hot Pluggable), on-demand configuration and expansion;
2 System total capacity: 4* E1 digital path interface (2+2);
3 Each slot can support 2*E1, or 2*V.35, or 2*RJ45(2~4M bandwidth)card;
4 Matching function: Dual power supply back-up;
4 Matching function: 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, +24VDC 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
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
Optic Interface
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.
Management Interface and Expansion Serial Port Specification
Management Interface and Expansion Serial Port Specification
1. Connector: RS-232
2. Interface Level: RS-232 level
3. Interface Connector: RJ-45
4. Management Interface Baud Rate: 57600bit/s
Power Supply
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
Working Environment
1. Environment Temperature: 0~60℃
2. Relative Humidity: ≤90%(35℃)
3. Atmospheric Pressure: 86-106Kpa
Dimension
483×270×45 mm(Standard 19" 1U)