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Small metal box with RJ45 and SC fiber ports, status LEDs, external power adapter

PLANET

PLANET FT-802S35 10/100BASE-TX to 100BASE-FX SC Single Mode 35 km Media Converter

SKU CH-A8TN-J4QYY MPN FT-802S35

Converts 10/100BASE-TX copper to 100BASE-FX single-mode SC fiber for 35 km links

  • Device TypeConverter
  • StandardsIEEE 802.3, 10BASE-T IEEE 802.3u, 100BASE-TX IEEE 802.3u, 10
  • Wavelength1310nm
  • Fiber CableSC / Single mode / 35 km
  • PortsOne RJ45 (auto-MDI / MDI-X) twisted pair, EIA568
  • Transfer RateTP: 10/100 Mbps FX: 100 Mbps
  • Extends Ethernet to 35 km over single-mode fibre
  • Auto-negotiates 10/100 Mbps on copper and 100 Mbps on fibre
  • Auto-MDI/MDI-X RJ-45 removes crossover cable hassle
  • Comprehensive LEDs show link, speed and duplex status instantly
  • Wide 100-240 V AC input suits global deployments

Fast Ethernet Media Converter

The PLANET FT-802S35 bridges 10/100BASE-TX copper to 100BASE-FX single-mode fiber over SC connectors. It suits network installers extending LAN segments beyond copper distance limits in campus or industrial settings. The unit auto-negotiates speed and duplex on the RJ45 port and includes an AC adapter for 100-240V supply.

Distance and Speed Limits

Single-mode fiber at 1310nm supports a 35 km link at 100 Mbps full duplex, while the twisted-pair side remains capped at 100 Mbps. Flow control follows IEEE 802.3x, and the converter will fall back to half-duplex when connected to a hub or legacy device. No gigabit or multi-mode operation is provided.

SC Single-Mode 35 km Interface

The fiber port uses an SC receptacle rated for 35 km with launch power between -15 and -8 dBm and receive sensitivity of -34 dBm. Buyers needing multi-mode fiber, ST connectors, or longer single-mode reaches such as 50 or 60 km must select a different model.

Highlights

  • Extends Ethernet to 35 km over single-mode fibre
  • Auto-negotiates 10/100 Mbps on copper and 100 Mbps on fibre
  • Auto-MDI/MDI-X RJ-45 removes crossover cable hassle
  • Comprehensive LEDs show link, speed and duplex status instantly
  • Wide 100-240 V AC input suits global deployments

Specifications

BrandPLANET
ModelFT-802S35
Device TypeConverter
StandardsIEEE 802.3, 10BASE-T
IEEE 802.3u, 100BASE-TX
IEEE 802.3u, 100BASE-FX
IEEE 802.3x, Flow Control
Wavelength1310nm
Fiber CableSC / Single mode / 35 km
PortsOne RJ45 (auto-MDI / MDI-X) twisted pair, EIA568
Transfer RateTP: 10/100 Mbps
FX: 100 Mbps
LEDsPWR, FX LNK / ACT, FX FDX / COL, TP 100, TP LNK / ACT, TP FDX / COL
Power AdapterPower Input: 5V DC, 2A, max.
Power Supply: AC Adapter 100 - 240V AC, Frequency: 50 - 60 Hz
TemperatureOperating Temperature: 0 ~ 50 degree Celsius
Storage Temperature: -40 ~ 70 degree Celsius
Humidity5% ~ 90% RH
FeatureMaximum Launch Power (dBm): -8
Minimum Launch Power (dBm): -15
Receive Sensitivity (dBm): -34
Maximum Input Power (dBm): 0
Dimensions1.02" x 3.82" x 2.72"
Weight0.44 lb.
Shipping weight0.45 kg
Package size127 × 102 × 76 mm

Questions about this item

Is the 35 km single-mode version the right choice for my link distance?

Yes, the SC single-mode model supports up to 35 km at 1310 nm, while multi-mode models cover 2 km and other single-mode options reach 15, 20, 50 or 60 km.

What throughput will I see on the copper side when the converter is in full-duplex mode?

The auto-adaptability feature provides an effective 200 Mbps bandwidth on the 10/100BASE-TX port when the connected device supports full duplex.

Does the SC fiber port limit the link to 100 Mbps even if I upgrade the copper switch later?

The FX port is fixed at 100BASE-FX 100 Mbps, so the fiber segment remains at 100 Mbps regardless of the copper switch speed.

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