Allied Telesis AT-S39 - Manual (Page 68)

Section II: Local and Telnet Management
68
Transmit - Flow control only as packets are being transmitted out
the port.
Receive - Flow control only on as packets are being received on
the port.
Both - Flow control for both packets entering and leaving the port.
State
The current operating status of the port. Possible values are:
Forwarding - The port is sending and receiving Ethernet frames.
Disabled - The port has been manually disabled.