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Ethernet and Telephone Over Fiber



10/100M Dual Fiber Media Converter

Tech Specs
Application Drawing

QuestTel series Ethernet media converter can interconvert electrical signals of 10Base-T and 100Base-TX twisted pairs with optical signals of 100Base-FX. It extends the network transmission distance from 100m to 80km(declare before order) via fiber optical cable. It enables the data to transmit in two different mediums of electrical and optical networks either by the technology of data link L2 store-and-forward, or by the one of PHY L1 cut-through. It supports transmission in multi-mode single fiber, single-mode single fiber.

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10/100M Dual Fiber Media Converter

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    • 10/100Mbps auto-sensed, facilitating network upgrade
    • Built-in efficient switching core to implement flow control and reduce broadcast packets
    • full-duplex and half-duplex auto-sensed
    • Supporting automatic cross connection of twisted pair interfaces, facilitating system commissioning and installation
    • Supporting Link Failure Alert (LFA) with optional dip-switch(unique)
    • Supporting 10/100Mbps store-and-forward and 100Mbps cut-through transmission with optional dip-switch(unique)
    • Supporting the transmission of extra-long packets up to1600 bytes
    • Supporting the transmission of extra-long VLAN packets
    • Supporting Quality of Service (QoS) , ensuring the transmission of VoIP packets
    • Supporting STP to form a redundant network
    • Extremely low power consumption, low heat, stable performance and long lifetime
Tech Specs
Access mode 10/100Mbps Gigabit Ethernet

IEEE802.3 100Base-T , IEEE802.3u

100Base-TX/FX Fast Ethernet,IEEE802.3x Flow control

IEEE802.1q VLAN,IEEE802.1p QoS,IEEE802.1d Spanning Tree

Wavelength 1310/1550 nm
Transmission distance

Multi-mode:2 km;

single-mode:20km-80km(declare before order);

Category-5 twisted pair 100m


One RJ45 connector connected to STP/UTP category-5 twisted pair

One optical port: MM: SC/ST/FC (fiber size: 50,62.5/125μm) SM: SC/ST/FC (fiber size: 9/125 μm)

Conversion means Media conversion
MAC address table 1K
Buffer space 1Mbit
Flow control Full duplex: flow control; Half duplex: back pressure
Delay Store-and-forward: 9.6μs; cut-through: 0.9μs
BER <19-9
MTBF 100,000 hours

PWR (power supply); FX LINK/ACT (optical link/action)

FDX (FX full duplex), TP LINK/ACT (twisted pairs link/action)

TP 100 (100M transmission rate of twisted pairs),

FX 100 (100M transmission rate of optical fiber)

Power DC5V 1A (external), AC220 0.5A/DC-48 (internal)
Power consumption 2W
Operating temperature -10~55C
Operating humidity 5%~90%
Maintaining temperature -40~70C
Maintaining humidity 5%~90% non-condensing
Dimensions 26mm (H) * 70mm (W)* 94 mm (D) (external power supply)
30mm (H) * 110mm (W) * 140 mm (D) (internal power supply)



L-100IP-TRX Ethernet IP over Fiber  Pdf User Manual: L-100IP-TRX

QuestTel shall have no liability for any error or damage of any kind resulting from the use of this document.
Application Drawing 10/100M Dual Fiber Media Converter's Application Drawing
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