6 SFP ports for uplink and stacking 10G Stacking bandwidth 8 PoE+ ports with 30W of power Static routing and comprehensive IPv6 support Network Protocol and Standards CompatibilityIEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3ab 1000BASE-T IEEE 802.3z 1000BASE-X IEEE 802.3× full-duplex flow control IEEE802.3az (EEE) IEEE802.3af (DTE Power via MDI) IEEE802.3at (DTE Power via MDI Enhancements)
Interfaces
GS728TS/GS752TS 24/48 × 10/100/1000 Mbps copper ports 2 x Combo ports to support 10/100/1000 Mbps copper ports or 1G/100M optical module 2 x SFP slots (port 25 and 26) to support 1G optical module 2 x SFP slots (port 27 and 28) to support 1G optical module (uplink) and 2.5G stacking (via stacking cable AGC761) Auto-sensing and auto-negotiating capabilities for all copper ports Auto UplinkTM on all ports to make the right connection Administrative Switch Management IEEE 8021.Q VLAN (256 groups, Static) IEEE 802.1p Class of Service (CoS) 8 hardware queues (1 is reserved for CPU; 7 queues are user configurable) 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 802.1× (RADIUS) RADIUS accounting IEEE 802.1× Dynamic VLAN Assignment HTTPS/SSL: Secure HTTP GUI Layer 3 (DSCP) Quality of Service (QoS) TACACS+ TCP/UPD-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 ingress/egress rate limiting SNTP DNS DoS and Auto DoS prevention IPv6 management, multicast and QoS Static Routing DHCP Snooping Green Features: EEE (Energy Efficient Ethernet) compliance Lower power consumption during link-down or idle mode or with shorter cable length
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 (per unit): 56 Gbps for GS728TS/TPS, 104 Gbps for GS752TS/TPS Stacking up to 6 switches or 300 ports per stack Mix and match stacking supported on the GS7×xTS/GS7×xTPS family (GS728TS, GS752TS, GS728TPS and GS752TPS) Stacking bandwidth: 5 Gbps (bidirectional) Network latency: Less than 20 microseconds for 64-byte frames in store-and-forward mode for 1000 Mbps to 1000 Mbps transmission Buffer memory: 2 MB 128Mbytes System DDR SDRAM (32Mbx16) 32Mbytes Flash size Address database size: 16K media access control (MAC) addresses per system Addressing: 48-bit MAC address Number of VLANs is 256; Maximum VLAN id is 4093 Number of 802.1p traffic classes is 7 Number of LAGs is 8 Number of static routes is 32 Number of routed VLANs is 15 Number of ARP Cache entries size is 1024 Queues used for DiffServ is 7 Number of ACLs (IPv4/IPv6) is 100 Number of DHCP snooping binding is 8K Number of DHCP static entries is 1024
Mean time between failures (MTBF): 303219.7 hours (~35.1 years) at 25°C 102616.4 hours (~11.8 years) at 55°C
AC Voltage: 100–240 V Frequency: 50–60 Hz Amperage (max): 1.4A Max Power consumption: 77W
Dimensions (W x D x H): 440 × 257 × 43 mm Weight: 3.88 kg