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
Interfaces
- 48 10/100/1000 Mbps switching ports
- 4 built-in shared SFP Gigabit Ethernet fiber ports for 100/1000 Mbps connectivity
- Auto-sensing and auto-negotiating capabilities for all copper ports
- Auto Uplink™ on all ports to make the right connection
Administrative Switch Management
- IEEE 8021.Q VLAN (128 groups, Static)
- Auto-Voice VLAN
- IEEE 802.1p Class of Service (CoS)
- IEEE 802.3ad static or dynamic link aggregation (LACP)
- IEEE 802.1D Spanning Tree Protocol
- IEEE 802.1ab LLDP & LLDP-MED
- SNMP v1, v2c, v3
- RFC 1213 MIB II
- RFC 1643 Ethernet Interface MIB
- RFC 1493 Bridge MIB
- RFC 2131 DHCP client
- RMON group 1, 2, 3, 9
- Private Enterprise MIB
- IEEE 802.1x (RADIUS)
- RADIUS accounting
- Access control list (ACL)
- Layer 3 Quality of Service (QoS)
- TACACS+
- RADIUS accounting
- Port-based security by locked MAC addresses
- Protected ports
- IGMP snooping
- Storm control for broadcast, multicast and unknown unicast packets
- Port-based ingress/egress rate limiting
- SNTP
- Port mirroring support
- Web-based configuration
- Configuration backup/restore
- Password access control
- Firmware upgradeable
- Cable test
Performance Specifications
- Forwarding modes: Store-and-forward
- Bandwidth: 98 Gbps
- Network latency: Less than 3 microseconds for 64-byte frames in store-and-forward mode for 1000 Mbps to 1000 Mbps transmission
- Buffer memory: 6 MB
- Address database size: 8,000 media access control (MAC) addresses per system
- Addressing: 48-bit MAC address
- Mean time between failures (MTBF):
- 208,700 hours (~ 23.8 years)
LEDs
- Unit: Power, fan
- Per port: Link, speed, activity
- Per Gigabit port: Link, speed, activity
Power Supply
- Power consumption: 66.9W
- 100-240V AC/50-60 Hz universal input
Dimensions (h x w x d):
- 43 x 440 x 257 mm
(1.7 x 17.3 x 10.1 in)
Weight:
Environmental Specifications
- Operating temperature: 32° to 131° F
(0° to 55° C)
- Storage temperature: -4° to 158° F
(-20° to 70° C)
- Operating humidity: 90% maximum relative humidity, non-condensing
- Storage humidity: 95% maximum relative humidity, non-condensing
- Operating altitude: 10,000 ft
(3,000 m) maximum
- Storage altitude: 10,000 ft
(3,000 m) maximum
Electromagnetic Compliance
- CE mark, commercial
- FCC Part 15 Class A
- VCCI Class A
- EN 55022 (CISPR 22)
- EN 55024 (CISPR 24)
- C-Tick
Safety
- CE mark, commercial
- CUL 60950 (Listed)/ EN 60950
Warranty
- NETGEAR Lifetime Warranty†
System Requirements
- Category 5 network cables
- Network card for each PC
- Network software (e.g., Windows®)
Package Contents
- ProSafe 48-port Gigabit Smart Switch with Advanced Features (GS748AT)
- Rubber footpads
- Power cord
- Rack-mount kit
- Resource CD installation guide with Smart Wizard Discovery program
- Warranty/support information card
Modules
- AGM731F ProSafe 1000BASE-SX SFP GBIC: Module with LC connectors for 50um or 62.5um multi-mode fiber cable
- AGM732F ProSafe 1000BASE-LX SFP GBIC: Module with LC connectors for 9um single-mode fiber cable
- AGM733 ProSafe 1000BASE-LZ SFP GBIC: Module with LC connectors for 9um single-mode fiber cable
Ordering Information
- GS748AT
North America: GS748AT-100NAS
Europe: GS748AT-100EUS
Asia: GS748AT-100AJS
ProSupport Service Packs Available
- OnCall 24x7, Category 1
- PMB0331-100 (U.S. only)
- PMB0331
- XPressHW, Category 1
- PRR0331
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