KRS-83 Comfort Keyboard,USB,Black, US Layout KRS 83 and KRS 85 both model -1Y

IEEE 802.3at and IEEE 802.3af Power over Ethernet (PoE) compliant

4 x 10/100Mbps Auto-MDIX PoEports

Provides up to 30 watts per PoE port

PoEpower budget 58W

4 kV surge protection for PoE ports

IEEE 802.3x flow control support

Plug-and-play installation

1 Gbps switching fabric

448 Kbits RAM Data Buffer

1K MAC address entries

Sturdy metal enclosure

Compliant with IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE 802.3z, IEEE 802.1Q, and IEEE802.3x Ethernet standards

24*10/100 Base-TX Ethernet ports, one 10/100/1000 Base-T Ethernet port and one 10/100/1000 Base-X SFP optical module port

Ports 1 – 24 are 10/100 Mbps downlink ports and comply with IEEE 802.3af and IEEE 802.3at.

The maximum of 30W port output PoE power and the maximum of 225W total output PoE power

Support four network modes: Priority, Standard, Isolate and Extend

4K MAC address and MAC address learning

8.8 Gbps backplane bandwidth

Store-and-Forward switching

All-mental construction

13 inch length and 1 U standard height size allow it to be mounted on subrack.