FT-20KM-98 product image - F-tone Networks
MODEL · FT-20KM-98

1-Channel Video, Return Data and Forward Audio Fiber Optic Multiplexer, 20 km SM

F-tone Networks FT-20KM-98: 1-channel fiber multiplexer carrying video, one return data channel and forward audio over single-mode fiber up to 20 km reach.

Video
Connectors
Number of Channels
1 channel Video
Input/output impedance
BNC 75Ω
Input/output Compatibility
PAL,NTSC,SECAM
Input/output voltage
1.0 Volt p-p
Bandwidth
6.5MHZ

Reference model FT-20KM-98 in your inquiry. Datasheets are confirmed offline before order. Full specifications ↓

Specifications

Technical parameters

VideoConnectors
Number of Channels1 channel Video
Input/output impedanceBNC 75Ω
Input/output CompatibilityPAL,NTSC,SECAM
Input/output voltage1.0 Volt p-p
Bandwidth6.5MHZ
Bit Resolution8-Bit Digital Transmission
Differential Gain< 1.5%
Differential Phase< 1.5°
Tilt< 5%
Signal-to-Noise Ratio(SNR)> 67 dB
Data FormatsRS485(2-wire or 4-wire), RS232/422,Contact Closure
Data RateDC to 115.2Kbps
Bit Error Rate10E-9
Audio in/output impedance600Ω Balanced/Unbalanced
Audio in/output Level6 dBm
Signal-to-Noise Ratio (SNR)>80 dB
Operating Temperature-45°C~+75 °C
Relative Humidity0%~95% (non-condensing)
Overview

Product details

The FT-20KM-98 from F-tone Networks is a fiber optic multiplexer that transports one channel of uncompressed composite video, one return data channel and one forward audio channel over a single single-mode fiber, reaching up to 20 km on 1310/1550 nm wavelengths with a 12 dB optical power budget. The video path uses 8-bit digital encoding over a 75Ω BNC interface with PAL, NTSC and SECAM support. The return data channel runs from DC to 115.2 Kbps with RS-485 (2-wire/4-wire), RS-232, RS-422 and contact closure at a 10E-9 bit error rate. Audio is delivered at 600Ω, 6 dBm with better than 80 dB SNR. It installs standalone or as a card in a 19-inch rack chassis.

Key Features

  • One composite video channel over single-mode fiber, 8-bit uncompressed digital encoding
  • One return data channel for RS-485, RS-232 and RS-422 serial control, DC to 115.2 Kbps
  • Data-channel bit error rate 10E-9
  • One forward audio channel: 600Ω balanced/unbalanced, 6 dBm, better than 80 dB SNR
  • 20 km reach; 1310/1550 nm wavelengths; 12 dB optical power budget
  • Standalone or rack-card installation; LED status indicators

Applications

  • Broadcast return-path and program-audio contribution links
  • Surveillance networks needing camera control plus site audio
  • Traffic monitoring with two-way signaling
  • Industrial video and telemetry systems

For pricing, datasheets and OEM/ODM inquiries, contact the F-tone Networks sales team: una@f-tone.com / betty@f-tone.com · WhatsApp: +86 17761163895