Technical Specifications B-1
v1.1, September 2007
Appendix B
Technical Specifications
This appendix provides technical specifications for the NETGEAR GS748T Gigabit Smart
Switch.
Network Protocol and Standards Compatibility
IEEE 802.3 10BASE-T
IEEE 802.3u 100BASE-TX
IEEE 802.3ab 1000BASE-T
IEEE 802.3z 1000Base-X
IEEE 802.3x flow control
Management
IEEE 802.1Q Static VLAN (Up to 256)
Port-based VLAN (Up to 48)
IEEE 802.1p Class of Service (CoS)
Port-based QoS (Port default priority; options: High/Normal/Low/Lowest)
Port Trunking - Manual as per IEEE802.3ad Link Aggregation
Port Monitoring
Interface
48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink‘ on all ports) with 4
SFP GBIC module bays that share with 4 RJ-45 ports for fiber connectivity
LEDs
Per port (Gigabit): Speed/Link/Act
Per device: Power
Performance Specifications
Forwarding modes: Store-and-forward
Bandwidth: 96 Gbps
Network latency: Less than 20 microseconds for 64-byte frames in store-and-forward mode for 100
Mbps to 100 Mbps transmission
Buffer memory: 512 KB embedded memory per unit
Address database size: 8,000 media access control (MAC) addresses per system
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