Dell PowerConnect 2748 Gigabit Ethernet Switch

Dell Updated: 2008-09-10 RSS
Dell PowerConnect 2748 Gigabit Ethernet Switch

Port Attributes
48 10/100/1000BASE-T auto-sensing Gigabit Ethernet switching ports
4 SFP fiber combo ports provide support for 1000BASE-SX and 1000BASE-LX transceivers
Auto-negotiation for speed, duplex mode and flow control
Auto-MDI/MDIX
Integrated LEDs for improved visual monitoring and analysis
Supports Virtual Cable Diagnostics by Marvell and fiber transceiver diagnostics to provide advanced
troubleshooting capabilities for your cable infrastructure

Performance
Switch Fabric Capacity up to 144Gbps
Forwarding Rate 71.4Mpps
Up to 8,000 MAC Addresses
2Mbits of Packet Buffer Memory

Quality of Service
Delivers 4 priority queues per port
Honor 802.1p values and honor IP DSCP values
Supports strict priority and configurable Weighted Round Robin (WRR) scheduling across queues

Link Aggregation
Industry-standard link aggregation adhering to IEEE 802.3ad standards
Supports 6 link aggregation groups and up to 4 ports per group

VLAN
Supports up to 64 port-based VLANs

Other Management Capabilities
Local password and restricted IP addresses for secure access to the switch
Port mirroring provides the capability of mirroring four source ports to improve network traffic monitoring and troubleshooting
DHCP client support allows for simplified IP address assignment when used with a DHCP server
Switch software can be easily uploaded to the switch through the web-management interface
Configurations can be easily uploaded to and from the switch through the intuitive web-management interface
Port statistics available through industry-standard RMON
Switch is factory-configured as an unmanaged switch, but can be easily configured as a web-managed switch with the push of a button
Jumbo frame support for packets up to 9000 bytes
Broadcast storm control to help eliminate network traffic storms

Chassis
43.2 x 440 x 225 mm (H x W x D) (1.7 x 17.3 x 10.0 in.)
1U, rack-mounting kit included
Unit Weight: 8.6 Lbs.
Packaged Weight: 11.0 Lbs.

Standards Supported
IEEE 802.3 – CSMA/CD (Ethernet)
IEEE 802.3u – 100BASE-TX
IEEE 802.3x – Flow Control
IEEE 802.3z/ab – 1000BASE-T
IEEE 802.1D – MAC Bridges
IEEE 802.1Q – Virtual LANs
IEEE 802.1p - Prioritization
IEEE 802.3ad – Link Aggregation

Environmental
Operating Temperature: 0º C to 45º C (32º F to 113º F)
Storage Temperature: -20º C to 70º C (-4º F to 158º F)
Operating Relative Humidity: 10% to 90% non-condensing
Storage Relative Humidity: 10% to 95% non-condensing

Power
1.34A @ 100V