BENESTON
BENESTON VCF-HMF01TX/RX-T 3G-SDI Fiber Extender 20km LC Single-Mode RS485 Tally Loop
A 3G-SDI fibre extender kit transmits video up to 20 km over single-mode LC cable with RS485 tally loop, dual receiver outputs, eight-channel embedded audio and Belden 1694A equalisation
- Automatic SD/HD/3G-SDI detection simplifies source connection
- Single-mode LC fiber extends signals up to 20 km
- Belden 1694A equalisation and retiming preserves signal integrity
- Transmitter loop-out plus dual receiver outputs enable flexible routing
- RS-485 tally loop output integrates with production workflows
BENESTON VCF-HMF01TX/RX-T 3G-SDI Fiber Extender
The BENESTON VCF-HMF01TX/RX-T extends 3G-SDI video signals over single-mode fiber up to 20km. It serves broadcast engineers, CCTV installers and AV integrators who need reliable long-distance transport between cameras, switchers and displays. The kit includes a transmitter, a receiver, power adapters and a manual.
Transmitter with loopout and receiver with dual
The transmitter provides a 3G-SDI input with automatic format detection and a loopout for local monitoring. The receiver delivers dual 3G-SDI outputs for feeding two destinations. Both units use LC single-mode SFP modules and include cable equalisation for Belden 1694A plus signal retiming to maintain integrity. RS485 tally loop output is supported for production signalling.
20km single-mode reach with embedded audio
Transmission distance spans 0 to 20km over a single fiber strand, carrying up to eight channels of embedded audio alongside video. The link requires no repeaters and handles SD, HD and 3G-SDI payloads transparently. Builders needing multi-mode fiber, longer reach or IP-based transport should look elsewhere.
Highlights
- Automatic SD/HD/3G-SDI detection simplifies source connection
- Single-mode LC fiber extends signals up to 20 km
- Belden 1694A equalisation and retiming preserves signal integrity
- Transmitter loop-out plus dual receiver outputs enable flexible routing
- RS-485 tally loop output integrates with production workflows
Specifications
| Brand | BENESTON |
|---|---|
| Model | VCF-HMF01TX/RX-T |
Questions about this item
Does the LC single-mode fiber link cap the SDI signal at 3G-SDI rates?
The extender carries SD, HD and 3G-SDI automatically, so the fiber link supports the full 3G-SDI bandwidth without further limits.
What physical connectors and fiber type are required to mount the transmitter and receiver?
Each unit uses an LC single-mode fiber connector and a standard SDI BNC; the kit includes both TX and RX modules ready for rack or desktop placement.
How is the RS-485 tally loop wired during installation, and what step is often missed?
Connect the tally loop between the TX and RX RS-485 ports using a twisted pair; the step often missed is powering both units with the included 5 V adapters before the link will establish.
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