Physical Interfaces

• RJ-45 Connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink™ on all ports):
  GSM7212: 12 ports
  GSM7224: 24 ports
  GSM7248: 48 ports
• Small form-factor pluggable (SFP) modules for fiber Gigabit Ethernet interfaces:
  GSM7212: 12 slots
  GSM7224: 4 slots
  GSM7248: 4 slots
• RS-232 Console Port

Layer 2 Services

• IEEE 802.1Q static VLAN (512)
• IEEE 802.1p Class of Service (CoS)
• IEEE 802.1D Spanning Tree Protocol
• IEEE 802.1v protocol VLAN & port VLAN 
• IEEE 802.1w Rapid Spanning Tree
• IEEE 802.1s Multiple Spanning Tree
• IEEE 802.3ad Link Aggregation (LACP)
• IEEE 802.1x port access authentication
• IGMP v1, v2 snooping support
• Network storm protection including broadcast, multicast and unicast traffic
• Static multicast filtering
• Weighted round robin (WRR) query technology

Switch Management Specifications

• SNMP v1, v2c, v3 with multiple IP addresses
• RFC 1157, 1902-1907
• RFC 768 UDP
• UDP relay
• RFC 854-859 telnet
• RFC 951 BOOTP
• RFC 1213 MIB II
• RFC 1757 RMON groups 1,2,3, and 9
• RFC 1215 SNMP traps
• RFC 1493 Bridge MIB
• RFC 1643 Ethernet Interface MIB
• RFC 1534 DHCP and BOOTP interoperation
• RFC 2131, 2132 DHCP and BOOTP
• RFC 2865 RADIUS (both switch and management access)
• RFC 2866 RADIUS accounting
• Private Enterprise MIB
• Port mirroring support (many-to-one)
• RFC 2236 IGMP v2
• IGMP querier
• DHCP/BOOTP relay primary and backup (RFC3046, option 82)
• RFC 2030 Simple Network Time Protocol (SNTP)
• SYSLOG
• Firmware upgrade via TFTP or HTTP
• Port description

GSM7248 only:

• Ingress rate limit in 1 Kbps increments
• DiffServ QoS (RFC 2998)
• L3 prioritization
• L4 prioritization
• Policy-based QoS
• IEEE 802.1 QinQ
• Access control lists (ACL, MAC, IP) 

Performance Specifications

• Forwarding modes: Store-and-forward
• Bandwidth:
  GSM7212: 24 Gbps; 17.8 Mpps
  GSM7224: 48 Gbps; 35.7 Mpps
  GSM7248: 96 Gbps; 71.4 Mpps
• Switch latency: 20 μs for 64-byte frames (1G to 1G)
• System memory: 64 MB
• Packet buffer memory: 122 KB embedded memory per port
• Code storage (flash): 8 MB
• MAC address database size:
  GSM7212: 8 K
  GSM7224: 8 K
  GSM7248: 16 K
• Number of VLANs:
  GSM7212: 228
  GSM7224: 228
  GSM7248: 240
• Number of trunks: 6
• Number of queues: 8
• Jumbo frame support: up to 9K packet size
• Acoustic noise:
  GSM7212: 41.6 dB
  GSM7224: 60 dB
  GSM7248: 47 dB
• Heat Dissipation: 28.24 BTU/hr
• Mean time between failure (MTBF):
  GSM7212: 61,349 hours (>7 years)
  GSM7224: 58,300 hours (>6.6 years)
  GSM7248: 58,300 hours (>6.6 years)
• User Interfaces
• Command Line Interface (CLI) via console port (4 sessions)
• Web-based management via embedded HTTP server protected with Secure Sockets Layer
• (SSLv3) or Transport Layer Security (TLSv1)
• Telnet remote login (5 sessions) securable with Secure Shell (SSH v1.5, v2) 

LEDs

• Per port: Speed, link, activity
• Per device: Power, fan status

Network Standards Compatibility

• IEEE 802.3i 10BASE-T
• IEEE 802.3u 100BASE-TX
• IEEE 802.3ab 1000BASE-T
• IEEE 802.3z 1000BASE-X
• IEEE 802.3x flow control

Physical Specifications

• Dimensions (w x d x h): 440 x 257 x 43 mm (17.32 x 10.2 x 1.7 in)
• Weight: 4.2 kg (9.2 lb)

Environmental Specifications

• Operating temperature: 0° to 40° C (32 to 104° F)
• Storage temperature: -20° to 70° C (-4 to 158° F)
• Operating humidity: 90% maximum relative humidity, non-condensing
• Storage humidity: 95% maximum relative humidity, non-condensing
• Operating altitude: 3,000 m (10,000 ft) maximum
• Storage altitude: 3,000 m (10,000 ft) maximum

Electrical Specifications

• Power Consumption:
  GSM7212 20.7W maximum
  GSM7224 42.9W maximum
  GSM7248 99W maximum
• Electromagnetic emissions
• CE mark
• EN 55022 Class A - Emissions
• EN 55024 - Immunity
• FCC Part 15 Class A
• VCCI Class A
• C-Tick

Electromagnetic Safety

• CE mark
• EN 60950-1
• UL/cUL 60950-1

Modules 

• ProSafe AGM731F 1000BASE-SX SFP GBIC
• ProSafe AGM732F 1000BASE-LX SFP GBIC
• ProSafe AGM733 1000BASE-ZX SFP GBIC

Warranty

• NETGEAR Lifetime Warranty†

Package Contents

• ProSafe Gigabit L2 Managed Switch (GSM7212, GSM7224 or GSM7248)
• Null modem cable
• Rubber footpads
• Power cable
• Rack-mount kit
• Installation guide
• Resource CD-ROM
• Warranty/support information card

Ordering Information

• North America
  GSM7212NA
  GSM7224NA
  GSM7248NA
• Europe
  GSM7212EU
  GSM7224EU
  GSM7248EU
• Asia
  GSM7212AU
  GSM7224AU
  GSM7248AU
• Japan
  GSM7212JP
  GSM7224JP
  GSM7248JP

ProSupport Service Packs Available

GSM7212 & GSM7224

OnCall 24x7, Category 2

• PMB0332

XPressHW, Category 2

• PRR0332-100

GSM7248

OnCall 24x7, Category 3

• PMB0333

XPressHW, Category 3

• PRR0333-100