10G fiber optic transceiver XENPAK XENPAK-SR: 850nm, 0.3km, Multi-mode XENPAK-LR: 1310nm, 10km, Single-mode XENPAK-ER: 1550nm, 40km, Single-mode XENPAK-ZR: 1550nm, 80km, Single-mode Features Laser class 1 MSA compliant VCSEL, DFB or EA-DFB transmitter PIN-PD or APD with CDR IEEE 802.3ae, aq compliant electrical interface Alarms, controls and performance monitoring functions Applications 10 Gbit/ s Ethernet OADM Metropolitan area network Building vertical riser Inter and intra compus Data centers