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Quick Details

Place of Origin: China (Mainland)
Brand Name: Winlink
Model Number: WL-4V-20
Physical interface: FC/PC
Optical wavelength: Multi-mode 850 nm single mode 1310,1550nm
Transmitting distance: 10km/25km/40km/60km/80km optional
Video channel number: 4 channels
Signal format: PAL/NTSC/SECAM
Data interface: RS-232,RS-485/422,Manchester,Biphase

Specifications

Description:

 

4 channel digital video optical converter adopt international advanced transmission technologies as no compression, all-digital video correction and gigabit optical fibers, successfully realizing the goal of long distance, no distortion, high quality transmission of 4 channel videos through one fiber, with stable performance and clear video. 


Features:

*10 bit digital code and non-compression video transmission
*Automatically compatible with PAL, NTSC, SECAM video format
*24 bit audio signal digital code and distortionless audio transmission
*No electromagnetic interference, no radio frequency interference and no ground current.
*Constant output optical power and wide dynamic range with APC circuit
*Large capacity and easy to upgrade with gigabit fiber optic transmission and WDM technology 
*With transparent data encoding, it is compatible with the products of most of CCTV camera manufacturers
*Both stand-alone and rack-mounted installation are available.
*Parallel transmission of video, data and voice
*With advanced adaptive technology, no need on-site electrical and optical adjustment 
*Surge protection.
*MTBF: > 100,000 hours

 

Specification:

 

Technical Parameters

 

 

 Fiber Interface

Physical interface

FC/PC

Optical wavelength

Multi-mode 850 nm  single mode 1310, 1550nm

Transmitting optical power  

≥-8dBm

Receiving sensitivity

≤-30dBm

Transmitting distance

10km/25km/40km/60km/80km optional

Video interface

 

Video channel number

4 channels

Signal format 

PAL/NTSC/SECAM

Video input / output resistance 

BNC  75Ω unbalanced interface

Video input / output voltage 

1Vpp(typical), Max 1.5Vpp

Video bandwidth

8MHz

Video sampling rate 

14MHz

Quantization range

8bit

Differential increase

30dBm

Differential phase

< 0.6

Video SNR

70dB (typical)

Color Brightness Delay Inequality

10ns(typical)

 

 

 

 

 

 

 

Color Brightness Gain Inequality

±10%(typical)

Expand options

 

 

Data 

 

interface

Physical interface

Industry standard terminal blocks

Working mode

Positive , negative, bi-directional data 

Interface type

RS-232, RS-485/422, Manchester, Biphase

Communicating rate

0~300Kbps

Data error rate

< 10-12



 Video

 

interface

Input resistance

30KΩ

Output resistance

10KΩ

Nominal input / output level

2Vpp

Audio bandwidth

10Hz ~ 20kHz

Sampling rate

14MHz

Quantization range

16bit

weighted signal-to-noise ratio

≥95dB

Total harmonic distortion

0.1%

Physical interface

Industry standard terminal blocks

on-off interface

Physical interface

Industry standard terminal blocks

Input signal

Any active or passive alarm, on-off input, supporting TTL, RS-232/422/485 or passive switch, button

Output signal

Any active or passive alarm, on-off input, TTL, RS-232/422/485 or relay electrical shock input