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Small rectangular network converter in a metal case with SC fiber port and RJ45 jack

PLANET

PLANET FT-806B20 10/100TX 100Base-FX WDM Bi-directional SFP transceiver SM SC 1550nm 20km LFPT

SKU CH-B8J8-X8VWS MPN FT-806B20

A 10/100TX to 100Base-FX single-mode WDM media converter with SC connector covering 20 km at 1550 nm TX and 1310 nm RX wavelength

  • Product typeConverter
  • Supported standardsIEEE 802.3, 10BASE-T IEEE 802.3u, 100BASE-TX IEEE 802.3u, 10
  • Optical wavelengthTX: 1550 nm; RX: 1310 nm
  • Power adapterPower Input: 5 V DC, 2A, max Power Supply: AC Adapter 100-24
  • Temperature rangeOperating Temperature: 0 to 50 degree Celsius Storage Temper
  • Humidity range5% ~ 90% non-condensing
  • Extends copper Ethernet to 20 km single-mode fibre
  • Bi-directional WDM uses TX 1550 nm and RX 1310 nm on one SC connector
  • Auto-negotiates 10/100 Mbps half or full duplex for 200 Mbps effective bandwidth
  • Operates reliably from 0 °C to 50 °C with 5 % to 90 % non-condensing humidity
  • Powered by 5 V DC 2 A adapter accepting 100–240 V AC at 50–60 Hz

Network bridge for fibre-to-copper links

The PLANET FT-806B20 converts 10/100Base-TX twisted-pair signals to 100Base-FX single-mode fibre using WDM bi-directional optics. It suits ISPs, campuses and enterprises deploying FTTH, FTTC or FTTB connections up to twenty kilometres. The unit auto-negotiates half or full duplex on the copper port and can be forced manually on the fibre side. Operating temperature ranges from zero to fifty degrees Celsius.

AC adapter and SC connector simplify deployment

A 100-240V AC adapter supplying five volts at two amps is included, removing the need for a separate DC source. The SC single-mode interface carries transmit at 1550nm and receive at 1310nm over one fibre strand. No software or licence keys are bundled; the converter is purely hardware-driven. Humidity tolerance of five to ninety percent non-condensing suits indoor cabinet installation.

Plug-and-play install with duplex-mismatch caution

Connect the SC fibre, the RJ-45 copper link and the AC adapter; the device powers on immediately. The most common issue is a duplex mismatch when the attached switch or workstation forces a different mode, cutting effective bandwidth from two hundred to one hundred megabits per second. Use the manual fibre-port setting to lock full duplex when the partner device supports it. No configuration utility or firmware update is required.

How it compares

Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.

Price $62.99
Cheaper than about 68% of the 1,471 comparable items (median $138.99).

Specifications

Product
Brand namePLANET
Model nameFT-806B20
Product typeConverter
Connectivity
Supported standardsIEEE 802.3, 10BASE-T
IEEE 802.3u, 100BASE-TX
IEEE 802.3u, 100BASE-FX
Optical wavelengthTX: 1550 nm; RX: 1310 nm
Power
Power adapterPower Input: 5 V DC, 2A, max
Power Supply: AC Adapter 100-240 V AC, Frequency: 50-60 Hz
Size & build
Shipping weight0.91 kg
Package size254 × 254 × 254 mm
Environment & compliance
Temperature rangeOperating Temperature: 0 to 50 degree Celsius
Storage Temperature: -40 to 70 degree Celsius
Humidity range5% ~ 90% non-condensing

Questions about this item

Does the SC connector on the FT-806B20 need periodic cleaning to keep the 20 km link stable?

Yes, the SC single-mode WDM interface should be inspected and cleaned with a lint-free wipe and isopropyl alcohol whenever the link is re-patched, because dust on the 1310 nm RX or 1550 nm TX faces can attenuate the 20 km path.

What thermal limit is reached first when the converter runs continuously at 50 °C ambient?

The operating ceiling is 50 °C; above that the internal components exceed their rated temperature range, so sustained full-load operation at the maximum ambient is the first thermal boundary.

How much heat does the unit add to a rack when powered from the 5 V DC 2 A adapter all day?

The 5 V DC, 2 A supply draws up to 10 W from the 100-240 V AC source, so the converter dissipates roughly 10 W of heat continuously.

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