User Manual

Configure System Information
54
M4100 Series Managed Switch
performing autonegotiation and saving power consumption when no link partner is
present. The The default value is Disabled.
10. Use the Short Reach Admin Mode selection to enable or disable this option on the port.
With short reach mode enabled, PHY is forced to operate in low power mode irrespective
of the cable length. The default value is Disabled.
11. Use the EEE Admin Mode selection to enable or disable this option on the port.
With EEE mode enabled, the port transitions to low power mode during link idle
conditions. The default value is Disabled.
12. Click the APPLY button.
The settings are sent to the switch. Configuration changes take effect immediately. These
changes are not retained across a power cycle unless you save the configuration. See
Save Configuration on page 405.
You can click the CLEAR button to clear the configuration and reset the statistics to their
default values. You can click the REFRESH button to update the screen.
The following table describes the Port Green Mode Statistics nonconfigurable fields.
Table 13. Port Green Mode Statistics
Field Description
Cumulative Energy Saved on this
port due to Green Mode(s) (Watts
* Hours)
The cumulative energy saved due to all Green Modes enabled on this
port in Watts * Hours.
Operational Status Indicates whether Energy Detect Admin Mode is currently operational
(Enabled).
Reason The reason for the current operational status of Energy Detect Admin
Mode.
Operational Status Indicates whether Short Reach Admin Mode is currently enabled.
Reason The reason for the current operational status of Short Reach Admin
Mode.
Rx Low Power Idle Event Count This field displays the total number of Rx LPI events since EEE
counters were last cleared. The value increments each time the MAC
RX enters LP IDLE state.
Rx Low Power Idle Duration
(uSec)
The duration of the Rx LPI state in 10us increments. Shows the total
duration of Rx LPI since the EEE counters were last cleared.
Tx Low Power Idle Event Count Shows the total number of Tx LPI events since EEE counters were last
cleared. The value increments each time MAC TX enters LP IDLE
state.
Tx Low Power Idle Duration
(uSec)
This field indicates duration of Tx LPI state in 10us increments. Shows
the total duration of Tx LPI since the EEE counters were last cleared.
Tw_sys_tx (uSec) Integer that indicates the value of Tw_sys that the local system can
support.