1.25G SFP DWDM 120km Optical Transceiver Module
● Up to 1250Mb/s data links 
● DWDM EML laser transmitter and APD photo-detector
● 50 GHz ITU channel spacing with integrated wavelength locker
● Up to 120km on 9/125µm SMF
● Hot-pluggable SFP footprint
● Duplex 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℃
HTF‘s 1250Mb/s SFP DWDM 120km Optical Transceiver Module include an APD photo-detector diode and temperature stabilized DWDM EML transmitter. Digital diagnostic functions are available via an I2C.This module is designed for single mode fiber and operates at a nominal wavelength of 50GHz ITU Grid, C Band DWDM wavelength. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF8472.

SONET/SDH networks
Gigabit Ethernet 
C Band DWDM networks
Fiber Channel

Compatible brands

HTF optional transceiver have been successfully tested with below brands:
Cisco Alcatel Lucent Netgear       Qlogic(Cavium) Ruijie Hirschmann McAfee
Mellanox Allied Telesis SMC Cheisio Extreme Blade Linksys
Huawei Dell&EMC Foundry Intel TP-Link Winyao Feixun
Juniper Arista Force 10(Dell) Marconi Broadcom D-Link   ZTE etc

Ordering Information
Part Number Package Data Rate Reach Wavelength(nm) TX output RX Sensitivity Power
HTSF-M1G85Mx SFP 1.25G 550m 850nm -9~-3dBm -17dBm 0.85W LC
HTSF-M1G31Mx SFP 1.25G 550m 1310nm -9~-3dBm -19dBm 0.85W LC
HTSF-M1G31Fx SFP 1.25G 2km 1310nm -9~-3dBm -19dBm 0.85W LC
HTSF-S1G31Lx SFP 1.25G 10km 1310nm -9~-3dBm -20dBm 0.85W LC
HTSF-S1G31Ex SFP 1.25G 40km 1310nm -5~0dBm -24dBm 0.95W LC
HTSF-S1G55Ex SFP 1.25G 40km 1550nm -5~0dBm -24dBm 0.95W LC
HTSF-S1G55Zx SFP 1.25G 80km 1550nm 0~5dBm -26dBm 0.95W LC
HTSF-S1G55Xx SFP 1.25G 100km 1550nm 0~5dBm -28dBm 0.95W LC
HTSF-S1G55Yx SFP 1.25G 160km 1550nm 1~6dBm -33dBm 0.95W LC
HTSF-C1GxxLx SFP 1.25G 20km CWDM -9~-3dBm -20dBm 1W LC
HTSF-C1GxxEx SFP 1.25G 40km CWDM -5~0dBm -24dBm 1W LC
HTSF-C1GxxZx SFP 1.25G 80km CWDM 0~5dBm -26dBm 1W LC
HTSF-C1GxxXx SFP 1.25G 120km CWDM 0~5dBm -31dBm 1W LC
HTSF-C1GxxYx SFP 1.25G 160km CWDM 1~6dBm -33dBm 1W LC
HTSF-1D1GCxxZx SFP 1.25G 80km DWDM 0~4dBm -26dBm 1W LC
HTSF-1D1GCxxXx SFP 1.25G 120km DWDM 0~5dBm -30dBm 1W LC
HTSF-5D1GCxxZx SFP 1.25G 80km DWDM 0~4dBm -26dBm 1W LC
HTSF-5DGCxxXx SFP 1.25G 120km DWDM 0~5dBm -30dBm 1W 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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