ECS4110-28P_Management Guide

C HAPTER 5 | Interface Configuration
Saving Power
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WEB INTERFACE
To display the load-distribution method used by ports in aggregated links:
1. Click Interface, Trunk, Load Balance.
2. Select the required method from the Load Balance Mode list.
3. Click Apply.
Figure 59: Configuring Load Balancing
SAVING POWER
Use the Interface > Green Ethernet page to enable power savings mode on
the selected port.
CLI REFERENCES
◆ "power-save" on page 1019
◆ "show power-save" on page 1020
COMMAND USAGE
◆ IEEE 802.3 defines the Ethernet standard and subsequent power
requirements based on cable connections operating at 100 meters.
Enabling power saving mode can reduce power used for cable lengths
of 60 meters or less, with more significant reduction for cables of 20
meters or less, and continue to ensure signal integrity.
◆ The power-saving methods provided by this switch include:
■
Power saving when there is no link partner:
Under normal operation, the switch continuously auto-negotiates to
find a link partner, keeping the MAC interface powered up even if no
link connection exists. When using power-savings mode, the switch
checks for energy on the circuit to determine if there is a link
partner. If none is detected, the switch automatically turns off the
transmitter, and most of the receive circuitry (entering Sleep Mode).
In this mode, the low-power energy-detection circuit continuously
checks for energy on the cable. If none is detected, the MAC
interface is also powered down to save additional energy. If energy
is detected, the switch immediately turns on both the transmitter
and receiver functions, and powers up the MAC interface.