GTTS-ZZ1G(2.5G)
GTT TELECOM生產的SFP光纖模塊（2.5G Gigabit Small Form Factor Pluggable）是一種可熱插拔的，獨立于通信協議的光學收發器，通常傳輸光的波長是 850nm, 1310nm 或1550nm，用于2.5G bps的SONET/SDH，光纖通道，gigabit Ethernet，10 gigabit Ethernet和其他應用中，也包括 DWDM 鏈路。
光模塊按照封裝形式和速率等分類，常見的有SFP，1X9,SFP+,XFP，QSFP,CFP,GBIC,CXP,CFP2,CFP4,CWDM和DWDM系列等等。GTT TELECOM生產的光模塊種類齊全，穩定性高，兼容能力強，遠銷海內外，具有較好的聲譽。
2.5G SFP transceiver module with DDM function
Features：
■Up to 2.5Gbps 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
