Our products are compatible with CISCO.
Here is list: 
SFP-OC3-IR1=    OC-3/STM-1 pl   able intermediate-reach (15 km) transceiver module, 1310-nm wavelength, LC connector 
SFP-OC48-IR1    Cisco compatible with DOM Function,OC-48c/STM-16 pl   able intermediate-reach (15 km) transceiver module, 1310-nm wavelength, LC connector
SFP-OC3-MM  OC-3/STM-1 pl   able short-reach (2 km) transceiver module, 1310-nm wavelength, MMF, LC connector 
CWDM-SFP-1470=  1.25Gb/s CWDM SFP 1470 nm Transceiver
CWDM-SFP-1490=  1.25Gb/s CWDM SFP 1490 nm Transceiver
CWDM-SFP-1510=  1.25Gb/s CWDM SFP 1510 nm Transceiver
CWDM-SFP-1530=  1.25Gb/s CWDM SFP 1530 nm Transceiver
CWDM-SFP-1550=  1.25Gb/s CWDM SFP 1550 nm Transceiver
CWDM-SFP-1570=  1.25Gb/s CWDM SFP 1570 nm Transceiver
CWDM-SFP-1590=  1.25Gb/s CWDM SFP 1590 nm Transceiver
CWDM-SFP-1610=  1.25Gb/s CWDM SFP 1610 nm Transceiver
DS-SFP-FC2G-SW  
GLC-LH-SM=  1000BASE-LX GE SFP Transceiver
GLC-SX-MM=  1000BASE-SX GE SFP Transceiver
GLC-T   1000base-tx miniGBIC (oem)
GLC-ZX-SM=  1000BASE-ZX GE SFP Transceiver
SFP-GE-L    1000BASE-LX/LH Short Wavelength GBIC module 
SFP-GE-T    1000BASE-T SFP transceiver module
GLC-GE-100FX=   
XENPAK-10GB-ER  
XENPAK-10GB-LR= 10GBASE-LR XENPAK transceiver module for SMF, 1310-nm wavelength, SC duplex connector 
XENPAK-10GB-LR+=    10GBASE-LR XENPAK transceiver module for SMF, 1310-nm wavelength, SC duplex connector (supports DOM)
XENPAK-10GB-SR  10GBASE-SR XENPAK transceiver module for MMF, 850-nm wavelength, SC duplex connector
XENPAK-10GB-ZR  
GLC-LX-SM   1000BASE-LX SFP
X2-10GB-LX   
X2-10GB-SR  
X2-10GB-ER  
ONS-SE-G2F-SX   SFP - GE/1G-FC/2G-FC - 850nm - MM - LC
GLC-FE-100LX