智能網管交換器-GS748T
48個10/100/1000 Mbps 乙太網路介面
4個光纖網路介面
金屬外殼
有效提高散熱及穩定度
智能網管 隨插即用
節能省電，支援EEE綠能規章
GS748T 智能網管交換器 提供中小型商用網路合適的網路頻寬交換能力，並具備智能型網管功能，可以區隔辦公室內不同的網路應用。
GS748T採金屬外殼設計，擁有絕佳的散熱性並且具備Auto Voice VLAN / Auto Video VLAN功能，能自動辨識網路語音與影像並優化傳輸效能。主機提供四個光纖埠口(2 x combo, 2 x 獨立)，可將上行頻寬最大化，使用上隨插即用，無須繁瑣的設定即可立即讓您享受高速上網的便利。
| Features | GS748Tv5 |
| Interfaces | 48 10/100/1000 Mbps auto-sensing GigabitEthernet switching ports, and two dedicated 1000Mbps SFP fiber ports, and two combo 1000Mbps SFP fiber ports. |
| PERFORMANCE SPECIFICATION | |
| Forwarding modes | Store-and-forward |
| Bandwidth | 100 Gbps |
| Priority queues | 8 |
| Priority queuing | Weighted Round Robin (WRR) |
| MAC Address database size | 16k media access control (MAC) addresses |
| Addressing | 48-bit MAC address |
| Multicast groups | 512 |
| Number of static 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 Failures (MTBF) | 390,728 hours |
| L2 SERVICES - VLANS | |
| IEEE 802.1Q VLAN Tagging | Yes |
| Protocol based VLANs | Yes |
| MAC based VLANs | Yes |
| Voice VLAN | Based on phones OUI bytes (internal database, or user-maintained) or protocols (SIP, H323 and SCCP) |
| Protocol-based VLAN | Yes |
| NETWORK SECURITY | |
| IEEE 802.1x | Yes |
| Guest VLAN | Yes |
| RADIUS based VLAN assignment via .1x | Yes |
| MAC-based .1x | Yes |
| RADIUS Accounting | Yes |
| Network Storm Protection, DoS | Yes |
| Broadcast, Unicast, Multicast DoS Protection | Yes |
| DoS Attacks | Yes |
| Dynamic ARP inspection | Yes |
| L2 SERVICES - AVAILABILITY | |
| IEEE 802.3ad - LAGs | Yes |
| LACP | Yes (26 LAGS with max. of 8 members in each LAG) |
| Broadcast Storm Control | Yes |
| IEEE 802.3x (Full Duplex and flow control) | Yes |
| IEEE 802.1D Spanning Tree Protocol | Yes |
| IEEE 802.1w Rapid Spanning Tree | Yes |
| IEEE 802.1s Multiple Spanning Tree | Yes |
| L2 SERVICES - MULTICAST FILTERING | |
| IGMP Snooping (v1, v2 and v3) | Yes |
| MLD Snooping Support (v1 and v2) | Yes |
| IGMP Snooping Queries | Yes |
| Block Unknown Multicast | Yes |
| Multicast VLAN Registration | Yes |
| L3 SERVICES - DHCP | |
| DHCP Client | Yes |
| DHCP Snooping | Yes |
| L3 SERVICES - IPV4 ROUTING | |
| Static Routing | Yes |
| VLAN Routing | Yes |
| IP Source Guard | Yes |
| NETWORK MONITORING AND DISCOVERY SERVICES | |
| 802.1ab LLDP | Yes |
| SNMP | v1, v2c, v3 |
| RMON 1,2,3,9 | Yes |
| NETWORK TRAFFIC | |
| Access Control Lists (ACLs) | L2 / L3 / L4 |
| IP-based ACLs (IPv4 and IPv6) | Yes |
| MAC-based ACL | Yes |
| TCP/UDP-based ACL | Yes |
| MAC lockdown | Yes |
| MAC lockdown by the number of MACs | Yes |
| IEEE 802.1x Radius Port Access Authentication | Yes |
| Port-based security by locked MAC addresses | Yes |
| Dynamic VLAN Assignment | Yes |
| Dynamic ARP inspection | Yes |
| QUALITY OF SERVICE (QOS) | |
| Access Lists | Yes |
| L2 MAC, L3 IP and L4 Port ACLs | Yes |
| Ingress rate limiting | Yes |
| Egress rate limiting | Yes |
| Support for IPv6 fields | Yes |
| DiffServ QoS | Yes |
| IEEE 802.1p COS | Yes |
| Dst MAC and IP | Yes |
| IPv4 and v6 DSCP | Yes |
| IPv4 and v6 TOS | Yes |
| WRR (Weighted Round Robin) | Yes |
| Strict Priority Queue Technology | Yes |
| Timing and Synchronization for TimeSensitive Applications (IEEE802.1AS) | Yes |
| Stream Reservation Protocol (SRP) (IEEE802.1Qat) | Yes |
| Forwarding and Queuing for Time-Sensitive Streams (IEEE802.1Qav) | Yes1 (up to 24 ports simultaneously) |
| Audio Video Bridging Systems (IEEE802.1BA) | Yes |
| Auto-VoIP | Yes, 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 | Yes |
| Port Mirroring | Yes |
| IEEE NETWORK PROTOCOLS | • IEEE 802.3 Ethernet • IEEE 802.3i 10BASE-T • IEEE 802.3u 100BASE-T • IEEE 802.3ab 1000BASE-T • IEEE 802.1Q VLAN Tagging • IEEE 802.3x Full-Duplex Flow Control • IEEE 802.1Qav1 • IEEE 802.3z Gigabit Ethernet 1000BASE-SX/LX • IEEE 802.3ae 10-Gigabit Ethernet • IEEE 802.3ad Trunking (LACP) • IEEE 802.1AB LLDP with ANSI/TIA-1057 (LLDP-MED) • IEEE 802.1p Class of Service • IEEE 802.1Qat1 • IEEE 802.1D Spanning Tree (STP) • IEEE 802.1s Multiple Spanning Tree (MSTP) • IEEE 802.1w Rapid Spanning Tree (RSTP) • IEEE 802.1x Radius network access control • IEEE 802.1BA1 • IEEE 802.1AS1 |
| MANAGEMENT | |
| Password Management | Yes |
| Configurable Management VLAN | Yes |
| Admin Access Control via Radius and TACACS+ | Yes |
| Web-based Graphical User Interface (GUI) | Yes |
| Smart Control Center (SCC) for Multi-switch Management | Yes |
| IPv6 Management | Yes |
| Dual Software (firmware) Image | Yes |
| Dual Configuration File | Yes |
| SNTP Client over UDP Port 123 | Yes |
| SNMP v1/v2C | Yes |
| SNMP v3 with Multiple IP Addresses | Yes |
| RMON 1,2,3,9 | Yes |
| Port Mirroring | Yes |
| Many to One Port Mirroring | Yes |
| Cable Test Utility | Yes |
| SSL/HTTPS and TLS v1.0 for Web-based access | Yes |
| File Transfers (uploads, downloads) | TFTP / HTTP |
| HTTP Download (firmware) | Yes |
| Syslog (RFC 3164) | Yes |
| LEDs | |
| Per Port | Speed, Link, Activity |
| Per Device | Power and Fan (GS748T only) |
| PHYSICAL SPECIFICATIONS | |
| Weight (kg) | 3.46kg |
| Dimensions (WxDxH) mm | 440 x 257 x 43mm |
| POWER CONSUMPTION (WHEN ALL PORTS USED, LINE-RATE TRAFFIC AND MAX POE IF APPLICABLE) | |
| WorstCase, all ports used, line-rate traffic | 41.1W |
| ENVIRONMENTAL SPECIFICATIONS | |
| Operating | |
| Operating Temperature | 32° to 122°F (0° to 50°C) |
| Humidity | 90% maximum relative humidity, non-condensing |
| Altitude | 10,000 ft (3,000 m) maximum |
| Storage | |
| Storage Temperature | – 4° to 158°F (–20° to 70°C) |
| Humidity | 95% maximum relative humidity, non-condensing |
| Altitude | 10,000 ft (3,000 m) maximum |
| ELECTROMAGNETIC EMISSIONS AND IMMUNITY | |
| Certifications | CE mark, commercial FCC Part 15 Class A, VCCI Class A Class A EN 55022 (CISPR 22) Class A Class A C-Tick EN 50082-1 EN 55024 CCC |
| SAFETY | |
| Certifications | CE mark, commercial CSA certified (CSA 22.2 #950) UL listed (UL 1950)/cUL IEC 950/EN 60950 |
| 保固 | 五年 |
如規格有異動，恕不另行通知。NETGEAR保有所有權利。
GS748T 規格
| Features | GS748Tv5 |
| Interfaces | 48 10/100/1000 Mbps auto-sensing GigabitEthernet switching ports, and two dedicated 1000Mbps SFP fiber ports, and two combo 1000Mbps SFP fiber ports. |
| PERFORMANCE SPECIFICATION | |
| Forwarding modes | Store-and-forward |
| Bandwidth | 100 Gbps |
| Priority queues | 8 |
| Priority queuing | Weighted Round Robin (WRR) |
| MAC Address database size | 16k media access control (MAC) addresses |
| Addressing | 48-bit MAC address |
| Multicast groups | 512 |
| Number of static 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 Failures (MTBF) | 390,728 hours |
| L2 SERVICES - VLANS | |
| IEEE 802.1Q VLAN Tagging | Yes |
| Protocol based VLANs | Yes |
| MAC based VLANs | Yes |
| Voice VLAN | Based on phones OUI bytes (internal database, or user-maintained) or protocols (SIP, H323 and SCCP) |
| Protocol-based VLAN | Yes |
| NETWORK SECURITY | |
| IEEE 802.1x | Yes |
| Guest VLAN | Yes |
| RADIUS based VLAN assignment via .1x | Yes |
| MAC-based .1x | Yes |
| RADIUS Accounting | Yes |
| Network Storm Protection, DoS | Yes |
| Broadcast, Unicast, Multicast DoS Protection | Yes |
| DoS Attacks | Yes |
| Dynamic ARP inspection | Yes |
| L2 SERVICES - AVAILABILITY | |
| IEEE 802.3ad - LAGs | Yes |
| LACP | Yes (26 LAGS with max. of 8 members in each LAG) |
| Broadcast Storm Control | Yes |
| IEEE 802.3x (Full Duplex and flow control) | Yes |
| IEEE 802.1D Spanning Tree Protocol | Yes |
| IEEE 802.1w Rapid Spanning Tree | Yes |
| IEEE 802.1s Multiple Spanning Tree | Yes |
| L2 SERVICES - MULTICAST FILTERING | |
| IGMP Snooping (v1, v2 and v3) | Yes |
| MLD Snooping Support (v1 and v2) | Yes |
| IGMP Snooping Queries | Yes |
| Block Unknown Multicast | Yes |
| Multicast VLAN Registration | Yes |
| L3 SERVICES - DHCP | |
| DHCP Client | Yes |
| DHCP Snooping | Yes |
| L3 SERVICES - IPV4 ROUTING | |
| Static Routing | Yes |
| VLAN Routing | Yes |
| IP Source Guard | Yes |
| NETWORK MONITORING AND DISCOVERY SERVICES | |
| 802.1ab LLDP | Yes |
| SNMP | v1, v2c, v3 |
| RMON 1,2,3,9 | Yes |
| NETWORK TRAFFIC | |
| Access Control Lists (ACLs) | L2 / L3 / L4 |
| IP-based ACLs (IPv4 and IPv6) | Yes |
| MAC-based ACL | Yes |
| TCP/UDP-based ACL | Yes |
| MAC lockdown | Yes |
| MAC lockdown by the number of MACs | Yes |
| IEEE 802.1x Radius Port Access Authentication | Yes |
| Port-based security by locked MAC addresses | Yes |
| Dynamic VLAN Assignment | Yes |
| Dynamic ARP inspection | Yes |
| QUALITY OF SERVICE (QOS) | |
| Access Lists | Yes |
| L2 MAC, L3 IP and L4 Port ACLs | Yes |
| Ingress rate limiting | Yes |
| Egress rate limiting | Yes |
| Support for IPv6 fields | Yes |
| DiffServ QoS | Yes |
| IEEE 802.1p COS | Yes |
| Dst MAC and IP | Yes |
| IPv4 and v6 DSCP | Yes |
| IPv4 and v6 TOS | Yes |
| WRR (Weighted Round Robin) | Yes |
| Strict Priority Queue Technology | Yes |
| Timing and Synchronization for TimeSensitive Applications (IEEE802.1AS) | Yes |
| Stream Reservation Protocol (SRP) (IEEE802.1Qat) | Yes |
| Forwarding and Queuing for Time-Sensitive Streams (IEEE802.1Qav) | Yes1 (up to 24 ports simultaneously) |
| Audio Video Bridging Systems (IEEE802.1BA) | Yes |
| Auto-VoIP | Yes, 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 | Yes |
| Port Mirroring | Yes |
| IEEE NETWORK PROTOCOLS | • IEEE 802.3 Ethernet • IEEE 802.3i 10BASE-T • IEEE 802.3u 100BASE-T • IEEE 802.3ab 1000BASE-T • IEEE 802.1Q VLAN Tagging • IEEE 802.3x Full-Duplex Flow Control • IEEE 802.1Qav1 • IEEE 802.3z Gigabit Ethernet 1000BASE-SX/LX • IEEE 802.3ae 10-Gigabit Ethernet • IEEE 802.3ad Trunking (LACP) • IEEE 802.1AB LLDP with ANSI/TIA-1057 (LLDP-MED) • IEEE 802.1p Class of Service • IEEE 802.1Qat1 • IEEE 802.1D Spanning Tree (STP) • IEEE 802.1s Multiple Spanning Tree (MSTP) • IEEE 802.1w Rapid Spanning Tree (RSTP) • IEEE 802.1x Radius network access control • IEEE 802.1BA1 • IEEE 802.1AS1 |
| MANAGEMENT | |
| Password Management | Yes |
| Configurable Management VLAN | Yes |
| Admin Access Control via Radius and TACACS+ | Yes |
| Web-based Graphical User Interface (GUI) | Yes |
| Smart Control Center (SCC) for Multi-switch Management | Yes |
| IPv6 Management | Yes |
| Dual Software (firmware) Image | Yes |
| Dual Configuration File | Yes |
| SNTP Client over UDP Port 123 | Yes |
| SNMP v1/v2C | Yes |
| SNMP v3 with Multiple IP Addresses | Yes |
| RMON 1,2,3,9 | Yes |
| Port Mirroring | Yes |
| Many to One Port Mirroring | Yes |
| Cable Test Utility | Yes |
| SSL/HTTPS and TLS v1.0 for Web-based access | Yes |
| File Transfers (uploads, downloads) | TFTP / HTTP |
| HTTP Download (firmware) | Yes |
| Syslog (RFC 3164) | Yes |
| LEDs | |
| Per Port | Speed, Link, Activity |
| Per Device | Power and Fan (GS748T only) |
| PHYSICAL SPECIFICATIONS | |
| Weight (kg) | 3.46kg |
| Dimensions (WxDxH) mm | 440 x 257 x 43mm |
| POWER CONSUMPTION (WHEN ALL PORTS USED, LINE-RATE TRAFFIC AND MAX POE IF APPLICABLE) | |
| WorstCase, all ports used, line-rate traffic | 41.1W |
| ENVIRONMENTAL SPECIFICATIONS | |
| Operating | |
| Operating Temperature | 32° to 122°F (0° to 50°C) |
| Humidity | 90% maximum relative humidity, non-condensing |
| Altitude | 10,000 ft (3,000 m) maximum |
| Storage | |
| Storage Temperature | – 4° to 158°F (–20° to 70°C) |
| Humidity | 95% maximum relative humidity, non-condensing |
| Altitude | 10,000 ft (3,000 m) maximum |
| ELECTROMAGNETIC EMISSIONS AND IMMUNITY | |
| Certifications | CE mark, commercial FCC Part 15 Class A, VCCI Class A Class A EN 55022 (CISPR 22) Class A Class A C-Tick EN 50082-1 EN 55024 CCC |
| SAFETY | |
| Certifications | CE mark, commercial CSA certified (CSA 22.2 #950) UL listed (UL 1950)/cUL IEC 950/EN 60950 |
| 保固 | 五年 |
如規格有異動，恕不另行通知。NETGEAR保有所有權利。
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