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Physical Interfaces: |
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RJ-45 Connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink™ on all ports): |
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GSM7212: 12 ports |
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GSM7224: 24 ports |
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GSM7248: 48 ports |
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Small form-factor pluggable (SFP) modules for fiber Gigabit Ethernet interfaces: |
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GSM7212: 12 slots |
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GSM7224: 4 slots |
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GSM7248: 4 slots |
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RS-232 Console Port |
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Layer 2 Services: |
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IEEE 802.1Q static VLAN (512) |
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IEEE 802.1p Class of Service (CoS) |
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IEEE 802.1D Spanning Tree Protocol |
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IEEE 802.1v protocol VLAN & port VLAN |
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IEEE 802.1w Rapid Spanning Tree |
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IEEE 802.1s Multiple Spanning Tree |
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IEEE 802.3ad Link Aggregation (LACP) |
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IEEE 802.1x port access authentication |
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IGMP v1, v2 snooping support |
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Network storm protection including broadcast, multicast and unicast traffic |
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Static multicast filtering |
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Weighted round robin (WRR) query technology |
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Switch Management Specifications: |
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SNMP v1, v2c, v3 with multiple IP addresses |
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RFC 1157, 1902-1907 |
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RFC 768 UDP |
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UDP relay |
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RFC 854-859 telnet |
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RFC 951 BOOTP |
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RFC 1213 MIB II |
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RFC 1757 RMON groups 1,2,3, and 9 |
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RFC 1215 SNMP traps |
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RFC 1493 Bridge MIB |
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RFC 1643 Ethernet Interface MIB |
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RFC 1534 DHCP and BOOTP interoperation |
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RFC 2131, 2132 DHCP and BOOTP |
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RFC 2865 RADIUS (both switch and management access) |
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RFC 2866 RADIUS accounting |
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Private Enterprise MIB |
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Port mirroring support (many-to-one) |
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RFC 2236 IGMP v2 |
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IGMP querier |
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DHCP/BOOTP relay primary and backup (RFC3046, option 82) |
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RFC 2030 Simple Network Time Protocol (SNTP) |
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SYSLOG |
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Firmware upgrade via TFTP or HTTP |
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Port description |
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GSM7248 only: |
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Ingress rate limit in 1 Kbps increments |
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DiffServ QoS (RFC 2998) |
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L3 prioritization |
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L4 prioritization |
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Policy-based QoS |
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IEEE 802.1 QinQ |
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Access control lists (ACL, MAC, IP) |
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Performance Specifications: |
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Forwarding modes: Store-and-forward |
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Bandwidth: |
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GSM7212: 24 Gbps; 17.8 Mpps |
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GSM7224: 48 Gbps; 35.7 Mpps |
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GSM7248: 96 Gbps; 71.4 Mpps |
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Switch latency: 20 µs for 64-byte frames (1G to 1G) |
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System memory: 64 MB |
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Packet buffer memory: 122 KB embedded memory per port |
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Code storage (flash): 8 MB |
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MAC address database size: |
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GSM7212: 8 K |
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GSM7224: 8 K |
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GSM7248: 16 K |
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Number of VLANs: |
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GSM7212: 228 |
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GSM7224: 228 |
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GSM7248: 240 |
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Number of trunks: 6 |
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Number of queues: 8 |
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Jumbo frame support: up to 9K packet size |
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Acoustic noise: |
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GSM7212: 41.6 dB |
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GSM7224: 60 dB |
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GSM7248: 47 dB |
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Heat Dissipation: 28.24 BTU/hr |
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Mean time between failure (MTBF): |
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GSM7212: 61,349 hours (>7 years) |
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GSM7224: 58,300 hours (>6.6 years) |
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GSM7248: 58,300 hours (>6.6 years) |
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User Interfaces |
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Command Line Interface (CLI) via console port (4 sessions) |
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Web-based management via embedded HTTP server protected with Secure Sockets Layer |
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(SSLv3) or Transport Layer Security (TLSv1) |
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Telnet remote login (5 sessions) securable with Secure Shell (SSH v1.5, v2) |
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LEDs: |
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Per port: Speed, link, activity |
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Per device: Power, fan status |
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Network Standards Compatibility: |
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IEEE 802.3i 10BASE-T |
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IEEE 802.3u 100BASE-TX |
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IEEE 802.3ab 1000BASE-T |
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IEEE 802.3z 1000BASE-X |
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IEEE 802.3x flow control |
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Physical Specifications: |
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Dimensions (w x d x h): 440 x 257 x 43 mm (17.32 x 10.2 x 1.7 in) |
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Weight: 4.2 kg (9.2 lb) |
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Environmental Specifications: |
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Operating temperature: 0° to 40° C (32 to 104° F) |
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Storage temperature: -20° to 70° C (-4 to 158° F) |
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Operating humidity: 90% maximum relative humidity, non-condensing |
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Storage humidity: 95% maximum relative humidity, non-condensing |
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Operating altitude: 3,000 m (10,000 ft) maximum |
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Storage altitude: 3,000 m (10,000 ft) maximum |
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Electrical Specifications: |
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Power Consumption: |
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GSM7212 20.7W maximum |
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GSM7224 42.9W maximum |
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GSM7248 99W maximum |
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Electromagnetic emissions |
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CE mark |
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EN 55022 Class A - Emissions |
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EN 55024 - Immunity |
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FCC Part 15 Class A |
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VCCI Class A |
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C-Tick |
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Electromagnetic Safety: |
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CE mark |
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EN 60950-1 |
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UL/cUL 60950-1 |
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Modules: |
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ProSafe AGM731F 1000BASE-SX SFP GBIC |
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ProSafe AGM732F 1000BASE-LX SFP GBIC |
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ProSafe AGM733 1000BASE-ZX SFP GBIC |
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Warranty: NETGEAR Lifetime Warranty |