GTTS-ZZ1G(1.25G双纤)
GTT TELECOM生产的SFP光纤模块（1.25Gigabit Small Form Factor Pluggable）是一种可热插拔的，独立于通信协议的光学收发器，通常传输光的波长是 850nm, 1310nm 或1550nm，用于1.25G bps的SONET/SDH，光纤通道，gigabit Ethernet，10 gigabit Ethernet和其他应用中，也包括 DWDM 链路。
光模块按照封装形式和速率等分类，常见的有SFP，1X9,SFP+,XFP，QSFP,CFP,GBIC,CXP,CFP2,CFP4,CWDM和DWDM系列等等。GTT TELECOM生产的光模块种类齐全，稳定性高，兼容能力强，远销海内外，具有较好的声誉。
1.25G SFP transceiver module with DDM function
Features：
■Up to 1.25Gbps data rate
■Duplex LC receptacle optical interface compliant
■Single +3.3V power supply
■DDM function implemented
■External calibration
■Hot-pluggable
■Receiver Loss of Signal Output
■AC coupling of PECL signals
■Serial ID module on MOD(0-2)
■International Class 1 laser safety certified
■Transmitter disable input
■Operating temperature range: 0℃~+70℃ or -40~85℃
■CWDM module Operating temperature range:0℃~+70℃
■RoHS Compliant
Applications：
■Gigabit Ethernet
■Gigabit Fiber Channel
■Switch to switch interface
■Switched backplane applications
Standard:
■Compliant with SFP MSA (INF-8074i)
■Compliant with SFF-8472 v9.3
■Compliant with IEEE802.3z Gigabit Ethernet
■Compliant with ITU-T G.695
■Compliant with FC-PI v2.0
