Specifications

• Mfr Part Number: GS748T-500NAS
• Features:
  • Gigabit Speed with non-blocking architecture supporting 100% Gigabit throughput
  • Auto Voice VLAN for fast and reliable deployment of VoIP
  • Auto Video VLAN, following the same concept of Auto Voice, help speed up your deployment of IP-based surveillance system
  • Static routing, helps to route internal traffic for more efficient use of network resources
  • IGMP and MLD snooping, providing advanced multicast filtering
  • Solid performance with non-blocking architecture, 16K MAC addresses, 256 VLANs, 100 shared ACL entries, 32static routes, and 512 Multicast Groups
  • Comprehensive IPv6 supporting management, QoS and ACL, ensuring investment protection and a smooth migration to IPv6-based network
  • Dedicated SFPs instead of combo ports, offering more connectivity ports and providing better value and usability at no extra cost
  • Energy Efficient Ethernet (IEEE802.3az) support for more energy saving in the future when more EEE-compliant end devices come to market
  • Advanced QoS with IPv4/IPv6 ingress traffic filtering and prioritization
  • Dynamic VLAN assignment for easy user authentication and location-independent access to network
  • Multicast VLAN Registration for eliminating unnecessary multicast traffic and improve the efficiency of network utilization
  • Auto Voice VLAN for easy development of VoIP
  • Auto Video for simple deployment of IP Surveillance
  • ACL Wizard for a guided tour to set up your network access control
  • Smart Control Center, a powerful tool for multi-switch discovery, deployment, monitoring and firmware upgrade
  • Network Management System (NMS300), allowing all NETGEAR business products to be deployed and managed through this single management interface
  • Easy to manage via web-Based Management GUI or Smart Control Center for multi-switch deployment
  • Standard-based technology, ensuring interoperability with any standard-based devices in the existing network
  • Dual firmware images, improving reliability and uptime to your network
• Network Ports: 48x 10/100/1000 Mbps Auto-sensing Gigabit Ethernet Switching Ports, 2x Dedicated 1000Mbps SFP Fiber Ports, 2x Combo 1000Mbps SFP Fiber Ports
• Standards Compliance:
  • IEEE 802.3 Ethernet - IEEE 802.3z Gigabit Ethernet 1000BASE-SX/LX - IEEE 802.1D Spanning Tree (STP)
  • IEEE 802.3i 10BASE-T - IEEE 802.3ae 10-Gigabit Ethernet - IEEE 802.1s Multiple Spanning Tree (MSTP)
  • IEEE 802.3u 100BASE-T - IEEE 802.3ad Trunking (LACP) - IEEE 802.1w Rapid Spanning Tree (RSTP)
  • IEEE 802.3ab 1000BASE-T - IEEE 802.1AB LLDP with ANSI/TIA-1057 (LLDP-MED) - IEEE 802.1X Radius network access control
  • IEEE 802.1Q VLAN Tagging - IEEE 802.1p Class of Service - IEEE 802.1AB
  • IEEE 802.3x Full-Duplex Flow Control - IEEE 802.1Qat - IEEE 802.1AS
  • IEEE802.1Qav
• Performance:
  • Forwarding Modes: Store-and-forward
  • Bandwidth: 100 Gbps
  • Priority Queues: 8
  • Priority Queuing: Weighted Round Robin (WRR)
  • Max MAC Entries: 16K
  • Addressing: 48-bit MAC address
  • Multicast Groups: 512
  • Number of Staticr Routes: 32
  • Number of Routed VLANs: 15
  • Number of ARP Cache Entries: 512
  • Number of DHCP Snooping Bindings: 8K
  • Number of DHCP Static Entries: 1024
  • ACL: 100 shared for MAC, IP and IPv6 ACLs
  • Jumbo Frame Support: up to 9K packet size
  • Acoustic Noise (ANSI-S10.12): 37.2 dBA
  • Mean Time Between Failure (MTBF): 390,728 hours
• Network Security:
  • IEEE 802.1x
  • Guest VLAN
  • RADIUS based VLAN assignment via .1x
  • MAC-based .1x
  • RADIUS Accounting
  • Network Storm Protection, DoS
  • Broadcast, Unicast, Multicast DoS Protection
  • DoS Attacks
  • Dynamic ARP inspection
• L2 Services:
  • VLANs:
    • IEEE 802.1Q VLAN Tagging
    • Protocol based VLANs
    • MAC based VLANs
    • Voice VLAN - Based on phones OUI bytes (internal database, or user-maintained) or protocols (SIP, H323 and SCCP)
    • Protocol-based VLAN
  • Availability:
    • IEEE 802.3ad - LAGs
    • LACP - 26 LAGS with max. of 8 members in each LAG
    • Broadcast Storm Control
    • IEEE 802.3x (Full Duplex and flow control)
    • IEEE 802.1D Spanning Tree Protocol
    • IEEE 802.1w Rapid Spanning Tree
    • IEEE 802.1s Multiple Spanning Tree
  • Multicast Filtering:
    • IGMP Snooping (v1, v2 and v3)
    • MLD Snooping Support (v1 and v2)
    • IGMP Snooping queries
    • Block unknown Multicast
    • Multicast VLAN Registration
• L3 Services:
  • DHCP:
    • DHCP Client
    • DHCP Snooping
  • IPV4 Routing:
    • Static Routing
    • VLAN Routing
    • IP Source Guard
• Quality of Service (QoS):
  • Access Lists
  • L2 MAC, L3 IP and L4 Port ACLs
  • Ingress rate limiting
  • Egress rate limiting
  • Support for IPv6 fields
  • DiffServ QoS
  • IEEE 802.1p COS
  • Dst MAC and IP
  • IPv4 and v6 DSCP
  • IPv4 and v6 TOS
  • WRED (Weighted Deficit Round Robin)
  • Strict Priority Queue Technology
  • Timing and Synchronization for Time-Sensitive Applications (IEEE802.1AS)
  • Stream Reservation Protocol (SRP) (IEEE802.1Qat)
  • Forwarding and Queuing for Time-Sensitive Streams (IEEE802.1Qav)
  • Audio Video Bridging Systems (IEEE802.1BA)
  • Auto-VoIP - based on protocols (SIP, H323 and SCCP) or on OUI bytes (default database and user-based OUIs) in the phone source MAC address
  • Auto Video
  • Port Mirroring
• Management:
  • Password Management
  • Configurable Management VLAN
  • Admin Access Control via Radius and TACACS+
  • Web-based Graphical User Interface (GUI)
  • Smart Control Center (SCC) for Multi-switch Management
  • IPv6 Management
  • Dual Software (firmware) Image
  • Dual Configuration File
  • SNTP Client over UDP Port 123
  • SNMP v1/v2
  • SNMP v3 with Multiple IP Addresses
  • RMON 1,2,3,9
  • Port Mirroring
  • Many to One Port Mirroring
  • Cable Test Utility
  • SSL/HTTPS and TLS v1.0 for Web-based access
  • File Transfers (uploads, downloads) - TFTP / HTTP
  • HTTP Download (firmware)
  • Syslog (RFC 3164)
• LEDs:
  • Per port - Speed, Link, Activity
  • Per device - Power, Fan
• Power Consumption: Worst case, all ports used, line-rate traffic - 41.1 W
• Electromagnetic Emissions and Immunity: CE mark, commercial, FCC Part 15 Class A, VCCI Class A; EN 55022 (CISPR 22) Class A; Class A C-Tick; EN 50082-1; EN 55024; CCC
• Safety: CE Mark, Commercial; CSA Certified (CSA 22.2 #950); UL listed (UL 1950)/cUL IEC 950/EN 60950
• Fan: Fanless
• Dimensions (WxDxH): 440.0 x 257.0 x 43.0 mm
• Weight: 3.46 kg
• Package Contents:
  • ProSafe Gigabit Smart Switch
  • Power cord
  • Rack-mounting kit
  • Resource CD with links to online documentation, installation guides, Web-management user manual, Smart Control Center (SCC) software and user guide