48-port 10/100/1000Mbps L2 Stackable Managed PoE Gigabit Switch including 4-port Combo 1000BaseT/SFP with Standard Image
- Managed Gigabit Ethernet Switch
- 48 x 10/100/1000Mbps Auto-Negotiating Ports
   * Including 4 Combo 1000BaseT/Mini-GBIC SFP ports
- 2 dedicated stacking ports for full-duplex 40Gbps stacking (up to 6 units/stack)
- IEEE 802.3af and IEEE 802.3at PoE compliant
- Maximum PoE output capacity 370W per device (740W with DPS-700 RPS)
- Time-based PoE
- IEEE 802.1D/1w/1s Spanning Tree Protocol, 802.3ad Link Aggregation
- LBD, Port Mirroring
- IGMP/MLD Snooping
- 802.1Q, Voice VLAN, Asymmetric VLAN, GVRP, Port/MAC-based VLAN
- 802.1p, Bandwidth Control
- ACL, Time-based ACL
- SSH/SSL, Traffic Segmentation, ARP Spoofing Prevention, DHCP Server Screening, BPDU Attack Protection
- Port/Host Based 802.1X, Identity-driven security policy assignment, Port/Host Based WAC/MAC, Microsoft NAP Support 
- SNMP, RMON v1/v2, DHCP Auto-configuration, Flash file system, LLDP, DHCP Relay, Multiple images/configuration
- 1U height, 19" Rackmount Installation
- stacking cable DEM-CB50 or DEM-CB100 not included