GS728TXS Data Sheet

ProSAFE
®
28-port Gigabit Stackable Smart Managed Switch with 4 10GE SFP+ ports Data Sheet
GS728TXS
Page 3 of 4
Technical Specifications
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 full-duplex flow control
•IEEE802.3aq (10GEBASE-LRM)
•IEEE802.3ae (10GEbase Ethernet)
•IEEE802.3az (EEE)
Interfaces
•24 10/100/1000Mbps switching ports
•4-10GEbps SFP+ slots (port 25~28) to
support 10GEbps optical module and 1G
optical module
•Port 27 and port 28 can be used as the
stacking ports or as uplink ports.
•Auto-sensing and auto-negotiating
capabilities for all copper ports
•Auto Uplink
™
on all ports to make the
right connection
Administrative Switch Management
•IEEE 802.1Q VLAN (256 groups, Static)
•IEEE 802.1p Class of Service (CoS)
•8 hardware queues
•Port-based QoS
•IEEE 802.3ad Static or Dynamic Link
Aggregation (LACP)
•IEEE 802.1D Spanning Tree Protocol
•IEEE 802.1w Rapid Spanning
Tree Protocol
•IEEE 802.1s Multiple Spanning
Tree Protocol
•SNMP v1, v2c, v3
•RFC 1213 MIB II
•RFC 1643 Ethernet Interface MIB
•RFC 1493 Bridge MIB
•RFC 2131 DHCP client
•IEEE 802.1x (RADIUS)
•IEEE 802.1x Dynamic VLAN Assignment
•HTTPS/SSL: Secure HTTP GUI
•RADIUS accounting
•Layer 3 (DSCP) Quality of Service (QoS)
•TACACS+
•Port-based security by locked MAC
addresses
•TCP/UDP-based priority mapping
•IGMP snooping v1, v2, v3
•MLD Snooping
•ACLs (MAC, IPv4, IPv6 and
TCP/UDP based)
•Storm control for broadcast, multicast
and unknown unicast packets
•Port-based rate limiting
•SNTP
•DNS
•DoS and Auto DoS prevention
•IPv6 management, multicast and QoS
•Static Routing
•DHCP Snooping
•Green Features: Lower power
consumption during link-down mode
or EEE mode
•Protocol and MAC based VLAN
•RMON group 1, 2, 3, 9
•Private Enterprise MIB
•Port mirroring – many-to-one
•IEEE 802.3ab LLDP
•LLDP-MED
•Protected ports
•Cable test
•Smart Control Center discovery
•Web-based configuration
•Configuration backup/restore
•Password access control
•Firmware upgradeable
Performance Specifications
•Forwarding modes: Store-and-forward
•Bandwidth: 128Gbps
•Stack up to 6 switches for 300 ports
per stack
•Stacking bandwidth: 40Gbps
•Network latency: Less than 20
microseconds for 64-byte frames in
store-and-forward mode for 1000
Mbps to 1000 Mbps transmission
•Buer memory: 2MB
•128Mbytes system DDR SDRAM
(32Mbx16)
•32Mbytes flash memory
•Address database size: 16K media
access control (MAC) addresses
per system
•Addressing: 48-bit MAC address
•256 VLANs; Maximum VLAN id is 4093
•7 802.1p trac classes
•8 LAGs
•32 static routes
•15 routed VLANs
•1024 ARP Cache entries
•7 queues used for DiServ
•100 ACLs (MAC/IPv4/IPv6)
•8K DHCP snooping binding
•1024 DHCP static entries
•Mean time between failures (MTBF):
677,816 hours (~77.3 years) at 25°C
200,444 hours (~22.9 years) at 55°C
LEDs
•Unit: Power, master, stack ID, FAN
•Per port: Link, speed, activity
Power Supply
•Max Power consumption: 31.4w
•100-240V AC/50-60Hz universal input