1U Modular Fiber Optical Multiplexer
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About 1U Modular Fiber Optical Multiplexer
1. Summary
Developed by Guangzhou Yinxun, this product is a device for comprehensive services of broadband access. With optic fiber link, this product can provide 2 channels of 10/100Base_T data interfaces, 8 channels of 2Mb/s(E1) and 32 subscriber interfaces, and the said subscriber interfaces include FXO, FXS, 2/4 wire audio interface, 2/4 wire EM, RS232/V.24, magnet telephone, hot-line, V.35.etc.
2. Function features
a)Diversified interfaces for varied services of broadband and narrowband access
b)Provide 2 channels 10/100Base_T interface, 8 channels of E1 interfaces and 32 channels optional subscriber
interfaces;
c)The voice interface supports caller ID display
d)CCB payphone application with polarity reversal;
e)Perfect indications of status are available to facilitate maintenance and management
f) With small size and compact appearance, and easy for installation and operation.
3. Working conditions
Working temperature: 0℃~40℃
Relative humidity: ≤90% (25℃)
Atmospheric pressure: 86-106Kpa
4. Power supply
Input voltage: -48V
Allowable voltage fluctuation: -36V~-72V
Input current: <1A
5. Subscriber Interface Modules (optional)
Ø FXO
Ø FXS
Ø 2 wire audio interface/2 wire E&M interface
Ø 4 wire audio interface/4 wire E&M interface
Ø RS232/V.24 asynchronous data interface
Ø RS232 synchronous data interface
Ø RS422 data interface
Ø RS485 data interface
Ø Magnet telephone interface
Ø V.35 interface(n*64K bandwidth)
Ø V.21/V.22 interface
Ø G.703 64Kb/s synchronous data interface
Ø 10/100Base_T Ethernet interface(100M/S share)
Ø E1/2M interface
6. Technical Parameters
☆Optic Interface
Bit Rate: 155.52Mbps ±20ppm
Line Type: NRZ+ scrambling code
Transmitting Optical Power:
>-5dB(long distance),Or >-12dB(short distance)
Receiving Sensitivity: >-36dB
Standard Interface Types:
FC/Single Mode /Dual-fiber/transmission distance 40Km
Alternative types: single fiber,60,80Km……
☆ E1/2MInterface
Bit Rate: 2.048Mbps ±50ppm
Standards : ITU-T G.703, G.704, G.712
Line Type: HDB3
Interface Impedence: 75Ω
Physical Interface: CC4
☆ Subscriber Interface(FXO)
Impedance: 600Ω
Insertion Loss: -3±0.75dB
Frequency Characteristic: 300~3400Hz(-0.6~+3dB)
Weighted Noise: ≤63.7dBmop
Crosstalk Attenuation: ≥65dB
Loop Impedance: ≤1800Ω
☆Subscriber Interface(FXS)
Impedance: 600Ω
Insertion Loss: -3±0.75dB
Frequency charactieristic: 300~3400Hz(-0.6~+3dB)
Weighted Noise: ≤63.7dBmop
Crosstalk Attenuation: ≥65dB
Loop Impedance: ≤1800Ω
☆ 2/4 lines audio interface
Coding Type: ITU-T G.711A
Frequency Range: 300~ 3400Hz
2 wire input relative level: 0~ -5dBr
Output Relative Level: -2~ -7dBr
4 wire Input Relative Level: -14dBr
Output Relative Level: +4dBr
☆ V.24/RS232 interface
Data and clock level conform to the recommendation of
V.28
Synchronous Data Rate: 64Kbps
Asynchronous Data Rata: 0~19200bps
☆ Ethernet interface
Compatible with: IEEE802.3
Interface Type: 10/100Base_T
Interface rate: 10/100Mbps (self-adaptive)
Transmission Rate: 100Mb/s share
Physical Interface: RJ45
☆ Others
19 inch 1U EIA chassis
LED indicates the working status of the system
Input Voltage: -48V DC
Acceptable dynamic Voltage: -36V ~ -72V
Input current: < 1A
Ambient Temperature: ≤50℃
Relative Humidity: ≤90%RH
7. Scope of Applications
This integrated multi-service transmission device is suitable for special network accesses of power station,airport,government,military and video conferencing or video surveillence. -
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