Standard: IEEE802.3u,10/100/1000Base-T,1000Base-SX/LX,IEEE802.3ah, IEEE802.3z/ab
Flow control: IEEE8.2.3x port flow control and backpressure control
Transmission speed: 10M/100M auto-negotiation
An optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a passive optical network.