* 28-Port 10/100/1000Base-T Gigabit RJ-45 copper with 24-Port IEEE 802.3af PoE Injector

* 4 100/1000Base-X mini-GBIC/SFP slots, shared with Port-25 to Port-28

* RS-232 DB9 console interface for Switch basic management and setup

* Prevents packet loss with back pressure (Half-Duplex) and IEEE 802.3x PAUSE frame flow control (Full-Duplex)

* High performance of Store-and-Forward architecture and runt/CRC filtering eliminates erroneous packets

* Supports VLAN / Spanning Tree Protocol /Link Aggregation