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 HD-SDI Digital Video and Audio fiber optic Transmission System
Doteck

Doteck

Features
tPathological test passed with UK HD video test and measurement manufacturer PHABRIX
tHD-SDI/SDI/ASI signal auto recognition, not need select by hand
tCompliant with the standards of SMPTE292M, SMPTE259M, SMPTE297M, SMPTE310M, SMPTE305M
tCompliant with the standard of DVB-ASI
tAuto adaption to the speed of HD/SD-SDI 143M, 177M, 270M, 360M, 540M, 1483.5M, 1485Mbps, or DVB-ASI
tAudio 20-bit encoder/decoder
tWhen signal input, with automatic cable equalization function, and when signal output, with driver function
tWith re-clocking function at transmitter and receiver
tPerfect LED indicators design, very convenient to monitor transmitter and receiver work well or note
tPPCB boards made with environment 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, and light weight
tDual switching power supply design, wide voltage range, reliable long-term running

Introdution
tDoteck DMB series HD-SDI digital video and audio fiber optic transmission system can transmit one HD-SDI(1483.5M/1485Mbps) high definition digital video or 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 transmitter provides one HD-SDI video and 2-channel audio input, and one loop-through for local monitoring. The receiver output 2-channel parallel HD-SDI digital video and 2-channel audio.
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 Specifications

HD-SDI input

Signal standard

SMPTE292M, SMPTE259M, SMPTE297M, SMPTE305M, SMPTE310M, DVB-ASI

Channel

1 plus 1 loop-through

Signal level

>380mVp-p

Auto-cable
equalization

>200m@1485Mbps, (Belden 1694A cable)
>350m@270Mbps, (Belden 1694A cable

Input return loss

>10dB@1485Mbps

Impedance

75Ω

Connector

BNC

HD-SDI output

Channel

 2

Signal level

800mVp-p±10%

Rise/Fall time

<0.8ns

HD-SDI Jitter

<0.2UI(134ps)@100KHz
<1.0UI(673ps)@10Hz

SDI Jitter

<0.2UI(740ps)@10Hz
<0.2UI(740ps)@1KHz

Impedance

 75Ω

Connector

BNC

Analog audio input

Channel

 2

Signal resolution

20bits

Frequency response

20Hz-20KHz@-0.5dB

Operating mode

Balanced or unbalanced

Max input level

17.4Vp-p(+18dBm)

Analog audio output

Channel

 2

Signal resolution

20bits

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(H×W×D, mm) 44×433×346(mm)

Dual power supply

130-260VAC, 50/60Hz

Power consumption

<10W

Operating temperature

0-50℃

Relative humidity

0-95%, non-condensing

LED status indicator

Power, optical link, video activity

Fiber optic link

Fiber type

Single mode

Number of fiber 

 1

Wavelength

1310nm/1550nm

Distance

0-40km, or 0-80km, or 0-100km optional

Connector

FC/PC, or SC/PC
 
 
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