Optical Transmitter and Receiver

 

Applications:
* Intelligent transportation system (ITS)
* Security and protection system
* Telemedicine system
* Remote multimedia teaching / campus monitoring system
* Video conference system and audio conference system
* Long distance broadcast/television transmission system
* Building controlling system

Features:
* Uncompressed video, 8-bit / 10-bit digital encoding/decoding
* Easy installation and adjustment free
* 8MHz video bandwidth, compatible with NTSC, PAL and SECAM
* Uncompressed audio, 24-bit digital encoding/decoding
* Module construction design (1-4 channels audio cards and 1-4 channels data cards

can be installed)
* RS232, RS422/RS485 compatible data interfaces
* No electromagnetic interference, no radio frequency interference, no ground current

* Using APC circuit, invariable optical output power and increasing dynamic range

* LED status indicators for power, optical link, video signal and data traffic

* Gbit transmit and WDM technique, big capacity and easy to upgrade
* Transparent encoded mode, compatible with central CCTV camera manufacturer
* Support lossless relay
* Protection from lightning surge
* MTBF>100,000hrs

Video performance:
* Number of video channel: 4 channels
* Video connector: BNC
* Video bandwidth: 5Hz - 10MHz
* Video input/output impedance: 75Ω (unbalanced)
* Video input/output voltage: 1.0VP - P
* Differential gain (10%-90%APL): DG<1% (typical)
* Differential phase (10%-90%APLO): DP<1° (typical)
* SNR (weighted): S/N ≥65dB (the highest optical budget loss)

Audio performance:
* Number of audio channel: 1-4 channels simplex / duplex
* Audio interface: RCA
* Audio input/output impedance: 600Ω (unbalanced/balanced)
* Audio input/output voltage: 2.0VP - P
* Audio bandwidth: 20Hz - 20kHz
* Nonlinear distortion coefficient: ≤1%
* SNR (weighted): S/N ≥85dB

Data performance:
* Number of data channel: 1-4 channels simplex / duplex
* Data interface: RS-232, RS-422 (full duplex), RS-485 (2/4 lines), Manchester,

Biphase
* Bit rate: 0-300Kbps
* Data connector: DB9 / crimp type terminal
* Data error rate: ≤10-9

Optical performances:
* Optical fiber: single-mode/multi-mode
* Wavelength: 1,310nm/1,550nm
* Transmitting power: -6dB
* Receiving power: -20dB
* Redundancy: 14dB
* Transmission distance: 20km

  Note: The transmission distance is depend on the optical link loss budget, and

would be influenced by the quality of the optical fiber, optical connector and the

optical fuses. Consult factory for different transmission distance.

Environmental specifications:
* Environmental temperature: -30 ~ +75°C
* Storage temperature: -35 ~ +85°C
* Relative humidity: 0-95% (non-condensing)

Power specifications:
* Rated voltage: DC 5V
* Power: <5W (single end)

Optical specifications:
* Optical connector: ST/FC
* Operating wavelength: 1,310nm (1,550nm)
* Optical fiber model: single-mode (multi-mode)
* Transmitting optical power: (-8 ~ 0)dBm on average
* Receiver sensitivity: <-20dBm for 1,310nm
* Optical power budget: >14dB