1.25G SFP BIDI 120km Optical Transceiver Module
Features
● Up to 1.25Gb/s data links 
● 1550nm DFB laser transmitter and APD photo-detector
● Up to 120km on 9/125µm SMF
● Hot-pluggable SFP footprint
● BIDI LC/UPC type pluggable optical interface
● Low power dissipation
● Metal enclosure, for lower EMI
● RoHS compliant and lead-free
● Support Digital Diagnostic Monitoring interface
● Single +3.3V power supply
● Compliant with SFF-8472
● Case operating temperature
   Commercial: 0 ~ +70℃
   Extended: -10 ~ +80℃
   Industrial: -40 ~ +85℃
Description
HTF’s 1.25G BIDI 120km Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA), The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the DFB laser and the APD photo-detector .The module data link up to 120km in 9/125um single mode fiber. 

Applications
Switch to Switch Interface
Gigabit Ethernet
Switched Backplane Applications
Router/Server Interface
Other Optical Links

Compatible brands 
HTF optional transceiver have been successfully tested with below brands:
HTF 1.25G BiDi SFP 1490nm-TX/1550nm-RX 120km DOM LC SMF transceiver Module Compatible with the following brand and more
Cisco GLC-BX120-U H3C SFP-GE-120-SM1490-A
Juniper Networks SFP-GE120KT14R15 HW LE2MGSC120DE0
Brocade E1MG-1G-BXU-120 Dell SFP-GE-BX120U-1490
HPE SFP-1G-BXU-120 Extreme Networks MGBIC-BX120-U
1000BASE-BX BiDi SFP 1490nm-TX/1550nm-RX 120km DOM LC SMF transceiver Module

Ordering Information
Part Number Package Data Rate Reach Wavelength(nm) TX output RX Sensitivity Power
Consumption
Interface
HTSF-B1G3155Lx SFP 1.25G 10km 1310Tx/1550Rx -9~-3dBm -20dBm 0.86W SC
HTSF-B1G5531Lx SFP 1.25G 10km 1550Tx/1310Rx -9~-3dBm -20dBm 0.86W SC
HTSF-B1G3155Lx SFP 1.25G 20km 1310Tx/1550Rx -9~-3dBm -20dBm 0.86W SC
HTSF-B1G5531Lx SFP 1.25G 20km 1550Tx/1310Rx -9~-3dBm -20dBm 0.86W SC
HTSF-B1G3155Ex SFP 1.25G 40km 1310Tx/1550Rx -5~0dBm -24dBm 0.86W SC
HTSF-B1G5531Ex SFP 1.25G 40km 1550Tx/1310Rx -5~0dBm -24dBm 0.86W SC
HTSF-B1G3155Fx SFP 1.25G 3km 1310Tx/1550Rx -11~-3dBm -20dBm 0.86W LC
HTSF-B1G5531Fx SFP 1.25G 3km 1550Tx/1310Rx -11~-3dBm -20dBm 0.86W LC
HTSF-B1G3149Lx SFP 1.25G 20km 1310Tx/1490Rx -9~-3dBm -20dBm 0.86W LC
HTSF-B1G4931Lx SFP 1.25G 20km 1490Tx/1310Rx -9~-3dBm -20dBm 0.86W LC
HTSF-B1G3149Ex SFP 1.25G 40km 1310Tx/1490Rx -5~0dBm -24dBm 0.86W LC
HTSF-B1G4931Ex SFP 1.25G 40km 1490Tx/1310Rx -5~0dBm -24dBm 0.86W LC
HTSF-B1G3155Ex SFP 1.25G 40km 1310Tx/1550Rx -5~0dBm -24dBm 0.86W LC
HTSF-B1G5531Ex SFP 1.25G 40km 1550Tx/1310Rx -5-0dBm -24dBm 0.86W LC
HTSF-B1G4955Zx SFP 1.25G 80km 1490Tx/1550Rx 0~5dBm -26dBm 0.95W LC
HTSF-B1G5549Zx SFP 1.25G 80km 1550Tx/1490Rx 0~5dBm -26dBm 0.95W LC
HTSF-B1G4955Zx SFP 1.25G 80km 1490Tx/1550Rx 0~5dBm -26dBm 0.95W LC
HTSF-B1G5549Zx SFP 1.25G 80km 1550Tx/1490Rx 0~5dBm -26dBm 0.95W LC
HTSF-B1G4955Xx SFP 1.25G 120km 1490Tx/1550Rx 0~5dBm -31dBm 0.95W LC
HTSF-B1G5549Xx SFP 1.25G 120km 1550Tx/1490Rx 0~5dBm -31dBm 0.95W LC
HTSF-B1G4955Yx SFP 1.25G 160km 1490Tx/1550Rx 1~6dBm -33dBm 0.95W LC
HTSF-B1G5549Yx SFP 1.25G 160km 1550Tx/1490Rx 1~6dBm -33dBm 0.95W LC

If you have customized requirement for the TX output, RX Sensitivity etc, contact HTF sales online or leave message. HTF team will support you within 24 hours.
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