2 Channels Fiber Optic Transmitter And Receiver

Oct. 19, 2009 - PRLog -- OB9221D series can transmit 2 channels composite video, 1 to 6 channel duplex audio, or 1 to 4 channel of duplex data/ contact closure signal or in any combination over one fiber；and it can provide option of 1 to 4 channel 10M/100M Ethernet / E1, 1 to 8 channel telephone/Intercom signal.


Features :
Exceeds the RS250C standard for SNR, DG and DP.
Bandwidth up to 6 MHz, SNR≥67dB.
The video quality is independent of transmission distance and up to the    maximum optical loss.
8/10 bit digital PCM video coding.
Compatible with NTSC, PAL and SECAM.
Distance option of up to 120KM is possible.
Supported by OB Telecom standard network management system.
Two RJ45 ports with option of plug-in interfaces in any combination.
High-speed optical fiber digital transmission technology.
RS232, RS422, RS485 or Manchester data.
Data transmission rate DC to256kbps.
Power supply, fiber link, data state indication.
Surface mount technology (SMT).
Rack-mount/stand-alone/19" 1U Rack mount Enclosure.

Specifications:
Video   
Video channel   2
Video format   NTSC，PAL，SECAM
Voltage   1Vp-p，75Ω
Max-input voltage   1.5Vp-p，75Ω
Bandwidth   6 MHz
Differential gain   ≤1%
Differential phase   ≤1
Video SNR：   ≥67 dB
Encoding   8/10 bit PCM

Audio   
Frequency Response   50Hz - 20kHz
Audio SNR   ≥75dB
Audio coding   24 BIT digital audio
Sample resolution   48k

Data   
Data type   RS232,RS422,RS485, Manchester
Baud rate   0-115.2 kbps
Bit error rate   10-9
Optional Signals   Contact Closure, E1, Telephone, AIPHONE

Ethernet
Standard   IEEE802.3
Data rate   10M/100M adaptive

Environment    
MTBF   >100,000 hours
Operating temperature   -30℃ to 74℃
Storage temperature   -40℃ to 85℃
Humidity   0~95% non-condensing

Connector   
Video   BNC
Optical    FC / ST / SC
Data   RJ45 / Terminal Block
Power   4-pin Self-lock Interface

Electrical and Mechanical
Power   Standalone :+5.5VDC
Rack mount: from OB18 chassis
Dimensions   Standalone: 182x201 x28mm
Weight   Standalone: 1KG
Rack mount: 0.3KG
No. of rack slots   1
LED Indicators   Power, Fiber link, Video, Data.

# # #

OB Telecom is a global supplier which offers a full range of high quality video transmission which can transmit video, audio, data, AIPHONE, contact closure, Ethernet, E1 and telephone.