... 4.CE,FCC,UL,SGS,UKAS,RoHS, CISCO compatible sr transceiver sfp 10g, sr sfpPacking & delivery1.packing: transparent trays in cartons ... /SONET9.Comply with IEEE Std 802.3,10.Operation Temperature Range 0~70oC or -40~85oC Optional 11.Single +3.3V ...