Key Features
850 nm multimode, 155 Mb/s
>14 dB power budget, 2 km reach
Duplex LC connector optical interface
Z-axis hot pluggable
SFF-8472 MSA Compliant with DDM function
AC coupling LVPECL differential I/O logics
TTL Signal detect to monitor optical signals
Single 3.3V power supply
-20–85 °C operating temperatures available
RoHS compliant
Applications
FTTH, FTTX, ATM/SONET OC-3, SDH STM-1
Fast Ethernet
High speed I/O for file server
Video over fiber links
Media converter
Data Communication for SAN and LAN
Industrial Control Link
Central offices routers and switches
Mass storage systems interconnect
Computer cluster cross-connect
Ordering Information
Part Number: SFP-155SX-AT2K
850 nm 155 Mb/s, multimode, SFP Fiber Optics
Transceiver, 2 km reach, 0-70°C
* Add "-T" in the Part Number for extended
temperature range -20–85 °C, i.e., SFP-155SX-AT2K-T.
* Add "-D" in the Part Number for DDM, i.e., SFP-
155SX-AT2K-D.
* Add "-TD" in the Part Number for both options. i.e.,
SFP-155SX-AT2K-TD.
Operating Conditions
Parameter Min. Typical Max. Units
Operate Temperature 0 25 70 C
- T Transceivers -20 25 85 C
Data Rate --- 155 200 Mb/s
Supply Voltage 3.1 3.3 3.5 V
Supply Current --- 150 200 mA
Products Selection Guide
Part Number | Data Rate | Wavelength | Distance | Power Budget | Temp. Range |
SFP-155SX-AT2K | 155 Mb/s | 850 nm | 2 KM | 14 dB | 0 – 70/-20 – 85°C |
SFP1250SX-AT500M | 1.25 Gb/s | 850 nm | 0.5 KM | 9 dB | 0 – 70/-20 – 85°C |
SFP-2125SX-AT300M | 2.125 Gb/s | 850 nm | 0.3 KM | 6 dB | 0 – 70/-20 – 85°C |
SFP-4250SX-AT150M | 4.25 Gb/s | 850 nm | 0.15 KM | 6 dB | 0 – 70°C |
SFP-155LX-AT2K | 155 Mb/s | 1310 nm | 2 KM | 11 dB | 0 – 70/-40 – 85°C |
SFP-155LX-AT15K | 155 Mb/s | 1310 nm | 15 KM | 12 dB | 0 – 70/-40 – 85°C |
SFP-155LX-AT30K | 155 Mb/s | 1310 nm | 30 KM | 19 dB | 0 – 70/-40 – 85°C |
SFP-155LX-AT60K | 155 Mb/s | 1310 nm | 60 KM | 30 dB | 0 – 70/-40 – 85°C |
SFP-1250LX-AT2K | 1.25 Gb/s | 1310 nm | 2 KM | 10 dB | 0 – 70/-40 – 85°C |
SFP-1250LX-AT-10K | 1.25 Gb/s | 1310 nm | 10 KM | 11 dB | 0 – 70/-40 – 85°C |
SFP-1250LX-AT-40K | 1.25 Gb/s | 1310 nm | 40 KM | 20 dB | 0 – 70/-40 – 85°C |
SFP-1250LX-AT-50K | 1.25 Gb/s | 1310 nm | 50 KM | 24 dB | 0 – 70/-40 – 85°C |
SFP-2670LX-AT5K | 155Mb/s - 2.67Gb/s | 1310 nm | 5 KM | 11 dB | 0 – 70°C |
SFP-2670LX-AT20K | 155Mb/s - 2.67Gb/s | 1310 nm | 20 KM | 15 dB | 0 – 70°C |
SFP-2670LX-AT50K | 155Mb/s - 2.67Gb/s | 1310 nm | 50 KM | 26 dB | 0 – 70°C |
SFP-4250LX-AT4K | 4.25 Gb/s | 1310 nm | 4 KM | 9 dB | 0 – 70°C |
SFP-4250LX-AT10K | 4.25 Gb/s | 1310 nm | 10 KM | 10 dB | 0 – 70°C |
SFP-155EX-AT20K | 155 Mb/s | 1550 nm | 20 KM | 19 dB | 0 – 70/-40 – 85°C |
SFP-155EX-AT100K | 155 Mb/s | 1550 nm | 100 KM | 30 dB | 0 – 70/-40 – 85°C |
SFP-155EX-AT120K | 155 Mb/s | 1550 nm | 120 KM | 35 dB | 0 – 70/-40 – 85°C |
SFP-1250EX-AT-30K | 1.25 Gb/s | 1550 nm | 30 KM | 12 dB | 0 – 70/-40 – 85°C |
SFP-1250EX-AT-60K | 1.25 Gb/s | 1550 nm | 60 KM | 20 dB | 0 – 70/-40 – 85°C |
SFP-1250EX-AT-80K | 1.25 Gb/s | 1550 nm | 80 KM | 24 dB | 0 – 70/-40 – 85°C |
SFP-2670EX-AT30K | 155Mb/s - 2.67Gb/s | 1550 nm | 30 KM | 15 dB | 0 – 70°C |
SFP-2670EX-AT50K | 155Mb/s - 2.67Gb/s | 1550 nm | 50 KM | 20 dB | 0 – 70°C |
SFP-2670EX-AT80K | 155Mb/s - 2.67Gb/s | 1550 nm | 80 KM | 26 dB | 0 – 70°C |
SFP-2670EX-AT90K | 155Mb/s - 2.67Gb/s | 1550 nm | 90 KM | 28 dB | 0 – 70°C |
SFP-2670EX-AT110K | 155Mb/s - 2.67Gb/s | 1550 nm | 110 KM | 30 dB | 0 – 70°C |
SFP-1250CLX-AT40K-XX | 1.25 Gb/s | 1270 - 1450 nm CWDM | 40 KM | 20 dB | 0 – 70°C |
SFP-1250CLX-AT60K-XX | 1.25 Gb/s | 1270 - 1450 nm CWDM | 60 KM | 24 dB | 0 – 70°C |
SFP-1250CLX-AT80K-XX | 1.25 Gb/s | 1270 - 1450 nm CWDM | 80 KM | 27 dB | 0 – 70°C |
SFP-1250CLX-AT100K-XX | 1.25 Gb/s | 1270 - 1450 nm CWDM | 100 KM | 30 dB | 0 – 70°C |
SFP-1250CEX-AT60K-XX | 1.25 Gb/s | 1470 - 1610 nm CWDM | 60 KM | 20 dB | 0 – 70°C |
SFP-1250CEX-AT80K-XX | 1.25 Gb/s | 1470 - 1610 nm CWDM | 80 KM | 24 dB | 0 – 70°C |
SFP-1250CEX-AT100K-XX | 1.25 Gb/s | 1470 - 1610 nm CWDM | 100 KM | 27 dB | 0 – 70°C |
SFP-1250CEX-AT120K-XX | 1.25 Gb/s | 1470 - 1610 nm CWDM | 120 KM | 30 dB | 0 – 70°C |

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