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HD-SDI Transmission

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HD-SDI Transmission

HD-SDI optical transmitter and receiver

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GWTHDI1V is a multi-service transmission device which can transfer real-time HD-SDI, audio, data, alarm switching value and Ethernet signals. Compared with the traditional HD-SDI fiber transmitter and receiver, it has the advantages of high capability, multi-service and low cost. This series of products is widely used in city security, high way, rail way, electrical power, petroleum and petrochemical field and other industries which demand real time HD surveillance. 

Feature

Uses non-WDM technology to transmit multi-channel HD-SDI high definition video signals and multi-channel physical isolation 100M Ethernet signal through one core cable 

Provides uncompressed, real-time, smooth image 
Compatible with SMPTE-292M HD-SDI, supports 1.485Gbps rate
Supports 1080P@30/25/24, 1080I@60/50, 720P@60/50/30/25/24 and other video formats 
Meets electromagnetic compatibility standard of industrial IV level, working stably and reliably in harsh electrical environment
A wide range of operation temperature -40℃~+85℃ 
Assisting functions such as audio, data, alarm and Ethernet
Standard SNMP network management, easy for remote network upgrade and maintenance
All interfaces support plug and play, hot swap, adjustment-free installation 

SPECIFICATION

Video

Standard

SMPTE-292M HD-SDI standard

Rate

1.485Gb/s

Output impedance

75Ω

Return loss

>15dB

Power level

800mVp-p ± 10%

Interface

BNC

Video memory

<0.8ns

SD-SDI aiming jitter (1KHz~27MHz)

<0.2UIp-p

SD-SDI timing jitter (10Hz~27MHz)

<0.2UIp-p

HD-SDI aiming jitter (100KHz~148.5MHz)

<0.2UIp-p

HD-SDI timing jitter (10Hz~148.5MHz)

<1.0UIp-p

Optical performance

Output/Input wavelength

1310nm/1550nm

Transmission power

+2dBm~-3dBm, 0dBm~-5dBm, -8dBm~-15dBm,

Sensitivity

Better than -24dBm

Interface

LC/SC/FC

Fiber mode

Single mode or multiple mode

Transmission distance

20/40/80km

Data (optional)

Output/Input wavelength

1310nm/1550nm

Transmission power

+2dBm~-3dBm, 0dBm~-5dBm, -8dBm~-15dBm

Sensitivity

Better than -24dBm

Interface

LC/SC/FC

Fiber mode

Single mode or multiple mode


Transmission distance

20/40/80km

Data (Optional)

Data format

RS-232/422/485

Data baud rate

0~115.2Kbps

Data sample frequency

2MHz

Symbol error rate

<10-9

Connector

PHOENIX

Audio (optional)

Sample frequency

32KHz

Audio sample encoding

18bit

Input impedance

High impedance (non equilibrium)

Output impedance

75Ω (non equilibrium)

Max input/output voltage

3.5Vp-p

Insertion gain

0dB±1dB

Frequency response

0.07~14KHz@3dB

SNR

≥85dB (weighting)

Audio intercom

Support Aiphone, Lonbon Half-Duplex intercom system

Switching value

(optional)

Interface

PHOENIX

Input signal

Active or passive switching value

External feed

12V

Output signal

Relay switch output

Output load

1A@30VDC or 0.5A@125VAC