3G-SDI with Balanced Audio, Data, Tally, Ethernet
3G-SDI with Balanced Audio, Data, Tally, Ethernet
3G-SDI with Balanced Audio, Data, Tally, Ethernet

3G-SDI with Balanced Audio Fiber Converter

1-Channel 3G-SDI + 2 Duplex Balanced Audio + 1 Duplex Data + 1 Duplex Contact Closure + Gigabit Ethernet

Key Features:

Multi-channel 3G-SDI transmission over one core fiber with CWDM

Support SMPTE 424M / 292M / 259M or DVB-ASI compliant

Automatic detection and re-clocking of 3G,1.5G, 270M SDI data rates

Supports embedded digital audio stream

Coax inputs are equalized(EQ), Coax outputs are with driving function (CD)

Support Single-mode fiber up to 20km

LED Status Provide Rapid Indication of Operating Parameters

19inch 1U Rack

3G-SDI or 12G-SDI
Balanced Audio Data Contact Closure Gigabit Ethernet
3G-SDI Arrow
balanced audio arrow
data arrow
contact closure arrow
Gigabit Ethernet arrow


VOSCOM 3G-SDI with Balanced Audio Fiber Converter, VOS-1H3G-BLADCET/R provides 1-Channel 3G-SDI, also with 2 duplex balanced audio, serial data (Rs485, RS232 or RS422), 1 duplex or 2 simplex contact closure for tally, and Gigabit Ethernet

19inch 1U Rack, Built with industrial-grade durability, it offers EMI protection and wide-temperature operation, supporting single/multi-mode fiber for short/long-distance transmission. This versatile solution ensures reliable, high-fidelity video distribution for broadcast, surveillance, and digital signage applications.
• 3G-SDI
Number of Channels: 1-Channel 3G-SDI
Connector: 75 Ohm BNC (Gold Center Pin)
Data Rate: 270 Mbps, 1.483 Gbps, 1.485 Gbps, 2.967 Gbps, 2.970 Gbps - Auto Select
Standards: SMPTE 424M (3G-SDI), SMPTE 292M (HD-SDI), SMPTE 259M (SD-SDI)
Max Resolution: 1080p @ 60Hz
• Audio
Number of Channels: 2-Channel Duplex Balanced Audio
Connector: XLR Male/Female
Audio input/output Level: +4dBu nominal
Audio Type: Balanced Audio, Line Level or Mic Level
Audio in/output impedance: 600Ω
Frequency Response: 20Hz ~ 20KHz
Signal-to-Noise Ratio(SNR): > 90 dB
Distortion: <0.05%
• Data*
Number of Channels: 1-Channel Duplex Data
Connector: Terminal Block
Data Type: Rs485 or Rs232 or RS422
Data Rate: DC to 1Mbps
• Contact Closure (Tally)*
Number of Channels: 1-Ch Duplex or 2-Ch Simplex
Connector: Terminal Block
Data Formats: Dry Contact Closure
Status: Normally Open (Default)
Response Time: 2 ms
Relay/Contact Rating: 0.5A@120VAC, 0.25A@240VAC, 1A@30VDC, 5A@6VDC
Max output power: 30W
• Ethernet
Number of Channels: 1-Channel Gigabit Ethernet
Data Rate: 10/100/1000M Mbps
Connector: RJ-45, Auto MDI/MDI-X
• Optical
Optical Connector: ST, FC or LC Optical connector optional
Wavelengths: 1310 ~ 1610nm
Fiber Type: Single-Mode, Single-Fiber, 20km
Rate: 3Gbps
Tx Output Power: >-6dB
Receiver Sensitivity: >-14dB
• Electrical & Mechanical
Power Adapter: AC100V~240V (Built-in)
Power Consumption: <30W
19inch 1U Rack: 445mm x 220mm x 44.5mm
Shipping Weight: 6.0kg (include TX & RX)
• Environmental
Operating Temperature: -20°C ~+75°C
Storage Temperature: -40°C~+85°C
Relative Humidity: 0%~95% (non-condensing)
MTBF: >100,000 hours

* Note: the device can support Rs422, Rs232 or Rs485 data type, but this must be configured by the factory, so please choose the configuration prior to placing the order.
* Note: the device can support 1 duplex or 2 Simplex contact closure, but this must be configured by the factory, so please choose the configuration prior to placing the order.
3G-SDI with Balanced Audio Fiber Converter system diagram
1)We will also list devices with the same specifications, just the 3G-SDI channels are different.
2)3G-SDI can be replaced with 12G-SDI while all other specifications remain unchanged.
3)The models listed here are our most commonly used options. For other models or customization needs, please contact us directly. We welcome inquiries for customized solutions.

Part Number Description
VOS-1H3G-BLADCET/R 1-Channel 3G-SDI + 2 Duplex Balanced Audio + 1 Duplex Data + 1 Duplex Contact Closure + 1000M Ethernet
VOS-1H3GR1-BLADCET/R 1-Channel 3G-SDI + 1 Return 3G-SDI + 2 Duplex Balanced Audio + 1 Duplex Data + 1 Duplex Contact Closure + 1000M Ethernet
VOS-2H3G-BLADCET/R
2-Channel 3G-SDI + 2 Duplex Balanced Audio + 2 Duplex Data + 1 Duplex Contact Closure + 1000M Ethernet
VOS-2H3GR1-BLADCET/R
2-Channel 3G-SDI + 1 Return 3G-SDI + 2 Duplex Balanced Audio + 1 Duplex Data + 1 Duplex Contact Closure + 1000M Ethernet


VOS-1H12G-BLADCET/R 1-Channel 12G-SDI + 2 Duplex Balanced Audio + 1 Duplex Data + 1 Duplex Contact Closure + 1000M Ethernet
VOS-1H12GR1-BLADCET/R 1-Channel 12G-SDI + 1 Return 12G-SDI + 2 Duplex Balanced Audio + 1 Duplex Data + 1 Duplex Contact Closure + 1000M Ethernet
VOS-2H12G-BLADCET/R
2-Channel 12G-SDI + 2 Duplex Balanced Audio + 2 Duplex Data + 1 Duplex Contact Closure + 1000M Ethernet
VOS-2H12GR1-BLADCET/R
2-Channel 12G-SDI + 1 Return 12G-SDI + 2 Duplex Balanced Audio + 1 Duplex Data + 1 Duplex Contact Closure + 1000M Ethernet

Related products

12G-SDI with Remote & Tally

Bi-Directional 12-SDI over fiber up to 10km, with ODC connector, also support remote and tally, V-mount Battery power supply.

Mini 12G-SDI Fiber Extender

Mini 12G-SDI Fiber Extender support 1-Channel 12G-SDI over one fiber, with high level of integration and small size, Support 4K UHD.

1-Ch 3G-SDI + Data + Ethernet

1-Channel 3G-SDI + 1 Duplex Data + 100M Ethernet, 3G-SDI can be replaced with 12G-SDI.

3G-SDI with Return 3G-SDI & Audio, Data, Contact Closure, Ethernet

2-Channel 3G-SDI + 1 Return 3G-SDI + 2 Duplex Audio + 2 Duplex Data + 1 Duplex Contact Closure + Gigabit Ethernet

4 x 3G-SDI + Balanced Audio + Gigabit Ethernet

4-Channel 3G-SDI + 2 Duplex Balanced Audio + 2 x Gigabit Ethernet for Broadcast Studio & OB VANs
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