TRENDnet TEG-448WS User Manual page 24

TRENDnet User's Guide
Admin. Status: This parameter indicates the operating status of the port. You can use
this parameter to enable or disable a port. You may want to disable a port and prevent
packets from being forwarded if a problem occurs with the node or cable connected to
the port. You can enable the port to resume normal operation after the problem has
been fixed. You can also disable an unused port to secure it from unauthorized
connections. The possible values are:
Ignore -This parameter applies to the All row only and indicates that
o
the Admin. Status field must be set individually for each port.
Enabled - This parameter indicates the port is able to send and receive
o
Ethernet frames.
Disabled - This parameter indicates the port is not able to send and
o
receive Ethernet frames.
• Mode: This parameter indicates the speed and duplex mode settings for the
port. You can use this parameter to set the speed and duplex mode of a port.
The possible settings are:
Ignore -This parameter indicates that the All setting does not apply to
o
the Mode field. In other words, each port is set individually.
Auto -This parameter indicates the port is using Auto-Negotiation to
o
set the operating speed and duplex mode. The actual operating speed
and duplex mode of the port are displayed in parentheses (for
example, "1000/F" for 1000 Mbps full duplex mode) after a port
establishes a link with an end node.
Auto (1000F) -This parameter indicates the port is configured for
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1000Mbps operation in Auto-Negotiation mode.
1000/Full -This parameter indicates the port is configured for
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1000Mbps operation in full-duplex mode.
100/Full -This parameter indicates the port is configured for 100Mbps
o
operation in full-duplex mode.
10/Full -This parameter indicates the port is configured for 10Mbps
o
operation in full-duplex mode.
1000/Half -This parameter indicates the port is configured for
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1000Mbps operation in half-duplex mode.
100/Half -This parameter indicates the port is configured for 100Mbps
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operation in half-duplex mode.
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10/Half -This parameter indicates the port is configured for 10Mbps
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operation in half-duplex mode.
Note: When selecting a Mode setting, the following points apply:
When a twisted-pair port is set to Auto-Negotiation, the end node should
o
also be set to Auto-Negotiation to prevent a duplex mode mismatch.
A switch port using Auto-Negotiation defaults to half-duplex if it detects
o
that the end node is not using Auto-Negotiation. This can result in a
mismatch if the end node is operating at a fixed duplex mode of full-duplex.
To avoid this problem when connecting an end node with a fixed duplex
mode of full-duplex to a switch port, disable Auto-Negotiation on the port
and set the port's speed and duplex mode manually.
The only valid setting for the SFP ports is Auto-Negotiation.
o
• Jumbo: This parameter indicates whether or not jumbo frames can be accepted
by the switch. You may want to activate jumbo frames when your switch will
transmit video and audio files. The possible values are:
Ignore -This parameter indicates that the All setting does not apply to
o
the Jumbo field. In other words, each port is set individually.
Enabled -This parameter indicates the port is permitted to accept
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jumbo frames.
Disabled -This parameter indicates the port is not permitted to accept
o
jumbo frames.
Note: When QoS is enabled on a port, the Jumbo frame parameter cannot be
enabled.
• Flow Ctrl: Flow Control, This parameter reflects the current flow control setting
on the port. The switch uses a special pause packet to notify the end node to
stop transmitting for a specified period of time. The possible values are:
Ignore - This parameter indicates that the All setting does not apply to
o
the Flow Control field. In other words, each port is set individually.
Enabled - This parameter indicates that the port is permitted to use
o
flow control.
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