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10/100M Fast Ethernet Media Converter BT31E1F-SM- 20KM series

The BT31E1F-SM- 2KM series are media converter with the DIP Switch. The DIP Switch can set the Link Fault Pass-through (LFP) and Flow-Control function. LFP (LLCF/LLR) can immediately alarm administrators the problem of the link media and provide efficient solution to monitor the net. LLCF (Link Loss Carry Forward) means when a device connected to the converter and the TP line loss the link, the converter’s fiber will disconnect the link of transmit. LLR (Link Loss Return) means when a device connected to the converter and the fiber line loss the link, the converter’s TP port will disconnect the link of transmit. Both can immediately alarm administrators the problem of the link media and provide efficient solution to monitor the net.

Category:

Features

  • 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 auto-sense of MDI/MDI-X, facilitating system commissioning and installation
  • LFP(Link Fault Pass-through) function
  • Supporting the transmission of 100Base-FX or STM-1, compatible with other devices
  • Supporting low-time lag transmission
  • Supporting the transmission of extra-long packets up to 2048 bytes
  • Extremely low power consumption (less than 2W), reliable and stable performance
  • Options in single mode dual fiber or Multi-mode dual fiber.

Specification

DIP-Switch functions

DIP-Switch Off(Default) On
PIN-1 LFP function DISABLED LFP function ENABLED
PIN-2 Flow-Control function DISABLED Flow-Control function ENABLED
Parameter Specifications
Access mode 10/100Mbps
Standard IEEE802.3 10Base-T Ethernet, IEEE802.3u,100Base-TX/FX Fast Ethernet,

IEEE802.3x Flow Control
Wavelength 850nm/1310nm/1550nm
 

Transmission distance

 Dual-fiber Multi-mode: 2 km;

Dual-fiber single mode: 20/40/60/80/100/120 km;

Category-5 twisted pairs: 100m
 

 

Port

 One RJ45 port:

Connecting STP/UTP category-5 twisted pairs, EIA568A/B

One optical port:

Multi-mode Dual-fiber: SC or ST (50/125μm or 62.5/125μm)

Single mode Dual-fiber: SC or FC (9/125μm)
Conversion means Store and Forward mode or Cut-Through mode
Buffer space Built in 128Kb RAM for data buffer
Flow control Full duplex: flow control;

Half duplex: back pressure
BER <19–9
MTBF 100,000 hours
 

LED indicator

 POER (power supply), FX LINK/ACT (optical link action)

FDX (full duplex), TX LINK/ACT (TP cable link/action)

TX 100 (TP cable rate 100M), FX100(fiber cable rate 100M)
Power supply External: AC90~264V/DC100~380V input, 5V-12V output
Power consumption <40W (the chassis at full load), <2W
Operating temperature -10~55ºC
Operating humidity 5%~90%
Maintaining temperature -40~70ºC
Maintaining humidity 5% ~ 90% non-condensing
Dimensions 71mm (W)×94mm (D)×26 mm (H) (external power supply)

Application

Dimensions

Panel Diagram

Order Information

Ordering Information
BT31E1F-MM2KM 10/100Base-T to 100Base-F, multi-mode, 2km, SC, standalone, external power adaptor
BT31E1F-SM2KMS-20 10/100Base-T to 100Base-F, single mode, 20km, SC, standalone, external power adaptor
BT31E1F-SM2KMS-40 10/100Base-T to 100Base-F, single mode, 40km, SC, standalone, external power adaptor
BT31E1F-SM2KMS-60 10/100Base-T to 100Base-F, single mode, 60km, SC, standalone, external power adaptor
BT31E1F-SM2KMS-80 10/100Base-T to 100Base-F, single mode, 80km, SC, standalone, external power adaptor
BT31E1F-SM2KMS-100 10/100Base-T to 100Base-F, single mode, 100km, SC, standalone, external power adaptor
BT31E1F-SM2KMS-120 10/100Base-T to 100Base-F, single mode, 120km, SC, standalone, external power adaptor

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