OPTICAL SYSTEMS DESIGN
DOC ID: 10118101
OSD2512 OPERATOR MANUAL
PAGE 46
PORT POWER SAVINGS CONFIGURATION
Configuration
Green Ethernet
Port Power Savings
This page allows the user to configure the port power savings features.
WHAT IS EEE
EEE is a power saving option that reduces the power usage when there is low or no
traffic utilization.
EEE works by powering down circuits when there is no traffic. When a port gets data
to be transmitted all circuits are powered up. The time it takes to power up the circuits
is named wakeup time. The default wakeup time is 17 us for 1Gbit links and 30 us for
other link speeds. EEE devices must agree upon the value of the wakeup time in order
to make sure that both the receiving and transmitting device has all circuits powered
up when traffic is transmitted. The devices can exchange wakeup time information
using the LLDP protocol.
Содержание OSD2512
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