Categories  
Fiber Optic
Transmission System
4K UHD Video over Fiber
4K(12G-SDI)
4K(6G-SDI)


HD Video over Fiber
HD Mini
HD(one channel)
HD2(2-channel)
HD4(4-channel)
HD8(8-channel)
HD16(16-channel)
HD(Thumb Type)


3G-SDI HD Video over Fiber
3G Mini
3G(one channel)
3G2(2-channel)
3G4(4-channel)
3G8(8-channel)
3G(Thumb Type)


HD Video + Audio over Fiber
DMB(HD-SDI + Audio)


HD Video + IP over Fiber
HDX1(HD-SDI + IP)


HD Video + Data over Fiber
HDX2(HD-SDI + RS232/422/485)


AES/EBU Digital Audio over Fiber
i2AES(2-channel)
i4AES(4-channel)
i8AES(8-channel)


Analog Video Audio over Fiber
A1(1 Video, 2 Audio )
A2(2 Video, 4 Audio )
A4(4 Video, 8 Audio )
A8(8 Video, 16 Audio)


Analog Audio over Fiber
i2(2-channel)
i4(4-channel)
i8(8-channel)
BCI i16(16-channel)


HD Multimedia over Fiber
M1(HDMI)
M2(DVI)
M3(VGA/RGBHV)
M4(YPbPr)
M5(IP)
M6(RS232/422/485)
M7(Tally)


L-Band Satellite Signal over Fiber
LB Mini
LB(one channel)
LB2(2-channel)
LB4(4-channel)
LB7(7-channel)
LB(one channel, bi-directional)


 

Doteck DMB Series

Datasheet

 

Doteck::DMB Series  SDI Digital Video and Audio Fiber Optic Transmission System
Doteck

Doteck

Features
tCompliant with the standards of SMPTE259M, SMPTE297M, SMPTE310M, SMPTE305M (SDTI), SMPTE344M
tCompliant with the standard of DVB-ASI(EN50083-9)
tAuto adaption to the speed of SDI 143M,177M,270M,360M,540Mbps
tWith automatic cable equalization function, compensation for cable transmission loss
tConvenient instructions of LED status, data rate, optical signal, power etc
tPCB boards made with environmentally friendly Pb-free
tPCB boards made with multilayer design, to ensure stable and reliable signal transmission
tAll components, including connectors, are ordered from public-known manufacturers in the world, high stability and reliability ensurance
tEnclosure box material is made of aluminum, elegant appearance, light weight
tDual switching power supply design, wide voltage range, reliable long-term running
tA variety of installation options: 15-slot rack，particularly suitable for large volume optical transmission platform construction, and also available for 4-slot rack, 2-slot rack and single-slot rack, fixed 1RU 19-inch enclosure box

Applications
t Multimedia Studio
t Broadcast video / audio equipment Link
t Video Conference
tMedia Retrieval and Distribution

Introdution
tDoteck DMB series SDI digital video and audio fiber optic transmission system can transmit one SD-SDI(143M/177M/270M/360M/540Mbps) standard definition digital video over one single mode fiber or multimode fiber.
tDue to the advanced digital fiber optic transmission technology, you need not make any adjustments, simple to set up and easy to operate.
tDoteck DMB series SDI digital video and audio fiber optic transmission system, and one SDI loop-through for local monitoring. The receiver outputs 2-way parallel SDI digital video.
tDoteck DMB series transmitter equipped with auto-cable equalization circuit, and cable driver circuit available at receiver.
tDoteck DMB series, both at the transmitter and receiver, signal jitter elimination circuit available, to ensure high quality signal transmission over long distance fiber cable.

Technical Specification

SDI Digital Video Input

Number of Channel

 1
Input Signal Standard 4:2:2 SMPTE259M(270Mbps)
Input Level >380mVp-p
Input Return Loss >16db(270MHZ)
Input Auto Cable Equilibria >250m(270Mbps)(BELDEN8281 cable)
Impedance

75Ω
Connector BNC

SDI Digital Video loop Output

Loop-through Number of Port

 1
Loop-through Signal Standard

4:2:2 SMPTE259M(270Mbps)

Loop-through Level 

800mVp-p±10%
Max Jitter < 0.2UI(270Mbps)
Rise/Fall Time < 0.8nS
Impedance 75Ω
Connector BNC

Analog Audio Input

Number of channel

 2

Signal Resolution

20 bits

Frequency response

20Hz-20KHz@-0.5dB

Operating mode

Balanced or unbalanced

Max input level

17.4Vp-p(+18dBm)

SDI Digital Video Output

Number of Output Port

 2

Output Signal Standard

4:2:2 SMPTE259M(270Mbps)

Output Level

800mVp-p±10%

Max Jitter

<0.2UI(270Mbps)

Rise/Fall Time

<0.8ns

Impedance

 110Ω

Connector

BNC

Analog Audio Output
Channel Capacity 2
Operating Mode

20 bits

Frequency response

20Hz-20KHz@-0.5dB

Operating mode

Balanced or unbalanced

Max output level

17.4Vp-p(+18dBm)

SNR(weighted)

>90dB

THD

<0.2%

Physical
Dimension 44×433×340（mm）

Power Supply

95 - 260VAC，50-60Hz

Power Consumption

<20W

Operating Temperature

0 to +70 ℃

Humidity

0 to 95% RH, non-condensing

LED Status Indicator

Power, Optical Link, Video and Audio Activity

Optical

Fiber Type

Single mode or multimode

Number of fiber 

 1

Wavelength

1310nm/1550nm

Connector

FC or SC

Distance

Up to 100km
 
 
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