Netgear GSM7252PS GSM72xxPS and GSM73xxSv2 Series Managed Switch Hardware Inst - Page 31

Managed Stackable Switches GSM7200PS and GSM7300S Series Hardware Installation Guide Table A-1. Technical Specifications for GSM7228PS and GSM7252PS (Continued) Feature GSM7228PS GSM7252PS Layer 2 services • 802.1Q Static VLAN (Up to 4k) • 802.1p Class of Service (CoS) • 802.1D Spanning Tree Protocol (STP) • 802.1w Rapid Spanning Tree Protocol (RSTP) • 802.1s Multiple Spanning Tree Protocol (MSTP) • 802.3ad Link Aggregation (LACP) • IGMP v1, v2 Snooping Support • MLD snooping Layer 3 services • VLAN routing (A software upgrade • Port routing license is required for the • RIP v1, v2 Layer 3 features) • OSPF v2, v3 • VRRP • ACL • DiffServ QOS • DHCP, BOOTP Relay • DHCP server • IGMP v2, v3 • PIM • PIM (IPv6) • MLD v1, v2 • DVMRP • IPv6 routing Interface (Auto Uplink on all RJ-45 ports) • 24 RJ-45 connectors for 10BASE-T, • 48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T 100BASE-TX, and 1000BASE-T • Four slots are gigabit interface • Four slots are gigabit interface converters (SFP) for SFP modules converters (SFP) for SFP modules • Two slots are 10 gigabit interfaces • Two slots are 10 gigabit interfaces for SFP+ modules for SFP+ modules • Ports 1-8 support IEEE802.3 at • Ports 1-8 support IEEE802.3 at and af, ports 9-24 support and af, ports 9-48 support IEEE802.3af Alternative A (MDI-X) IEEE802.3af, Alternative A (MDI-X) • Two I/O module bays for either • Two I/O module bays for either 10-Gigabit Ethernet or 24-Gigabit 10-Gigabit Ethernet or 24-Gigabit stacking connectivity stacking connectivity • RS-232 console port • RS-232 console port Bandwidth 136 Gbps 184 Gbps Address database size 8K MAC addresses per system 10/100/1000 buffer memory Max support 0.75-MB buffer memory Max support 1.5-MB buffer memory Mean time between failure (MTBF) 168,208 hours (~19.2 years) @ 25°C 120,118 hours(~13.7 years) @ 25° C 55,879 hours (~6.4 years) @ 55° C 403,10 hours (~4.6 years) @ 55° C Performance • Forwarding modes: Store-and-forward • Network latency: Less than 80 microseconds for 64-byte frames in store-and-forward mode for 10 Mbps to 100 Mbps transmission • Addressing: 48-bit MAC address • Acoustic noise: (ANSI-S10.12): 45 dB @ 25°C ambient temperature • Heat dissipation: 260.488 Btu/hr GSM7228PS, 389.196 Btu/hr for GSM7252PS. 32 | Appendix A: Technical Specifications