HP J9981A User Manual

10-2
Green Features
Green Features Configuration
Table 10-1.Green Features Configuration Fields
Click Apply to save any changes for the current boot session. The changes take effect immediately.
Field Description
Port Energy Saving Configuration
Auto Port Power-
Down
When this feature is enabled and the port link is down, the PHY automatically goes down. The
port wakes up when it senses activity on the link. This features enables saving power consumption
when no link partner is present. This feature is disabled by default.
Low-Power Idle
(EEE)
EEE (Energy Efficient Ethernet) is designed to save power by turning off network ports that are
not passing traffic. EEE works for ports in auto-negotiation mode, where the port is negotiated to
either 100 Mbps Full Duplex or 1 Gbps (1000 Mbps) Full Duplex. This feature is disabled by
default.

HP J9981A Specifications

General

Management	Managed
PoE	No
Jumbo Frame Support	Yes
Form Factor	Rack-mountable
Model	J9981A
Layer	Layer 2
Weight	2.5 kg
MAC Address Table Size	16, 000 entries
Power Supply	Internal
Operating Temperature	0°C to 40°C
Ports	24 x 10/100/1000BASE-T ports 4 x SFP+ ports
Humidity	15% to 95% non-condensing