NETGEAR GA 620 Reference Manual page 41

GA620/620T.Manual.R2 6/12/00
negotiation, or if there is a problem establishing a link between the card and
the connecting device. For the 1000BASE-SX GA620 Gigabit Ethernet Card,
the link will be set for full-duplex at 1 Gbps; unless otherwise specified.
The default signaling speed for the 10/100/1000BASE-T GA620T Gigabit
Ethernet Card is 1 Gbps.
When link negotiation is disabled, be sure that the connecting device uses the
same duplex and speed settings.
Note: When link negotiation is on, the user-configured link speed and duplex set-
tings are ignored in favor of automatically determined settings.
• Network Address
– Enter the Network Address (also known as the MAC address) for the card.
The allowed range is 0060CF000000 through 0060CFFFFFFF.
• Rx Flow Control:
– When Rx flow control is on (default) and link negotiation is enabled, the card
will negotiate 802.3x receive flow control with the device at the other end of
the link, if the card negotiates to full duplex. If the other device supports
802.3x flow control, Rx flow control will be enabled.
– When Rx flow control is on and link negotiation is off, you must turn on
Full Duplex in order for Rx flow control to work properly. Rx flow control
will not function under half duplex operation.
– When Rx flow control is off, or when full duplex is off, receive flow control
is disabled.
• Tx Flow Control:
– When Tx flow control is on and link negotiation is enabled, the card will
negotiate 802.3x receive flow control with the device at the other end of
the link. If the other device supports 802.3x flow control,Tx flow control
will be enabled.
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