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3Com Switch 5500G-EI 48-Port (3CR17251-91)
3Com Switch 5500G-EI 48-Port (3CR17251-91)
3Com Switch 5500G-EI 48-Port (3CR17251-91)
»มี 48 พอร์ตแบบ auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T
»มี 4 พอร์ตแบบ dual-personality ทำงานได้แบบ 10/100/1000 หรือ Gigabit SFP
»ประสิทธฺภาพในการทำงานสูงสุด 240.0 Gbps
»รองรับ Stacking ได้สูงสุด 8 ตัว 448 พอร์ตแบบ Gigabit
»มีระบบ DC Redundant Power Supply (RPS)
»รองรับ IEEE standards: IEEE 802.1D (STP), 802.1p (CoS), 802.1Q (VLANs), 802.1w (RSTP), 802.1X (Security), 802.3 (Ethernet), 802.3ad (Link Aggregation), 802.3ab (1000BASE-T), 802.3ae (10G Ethernet), 802.3i (10BASE-T), 802.3u (Fast Ethernet), 802.3x (Flow Control), 802.3z (Gigabit Ethernet)
»3Com Network Supervisor, 3Com Network Director, 3Com Enterprise Management Suite


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  3Com Switch 5500G-EI 48-Port (3CR17251-91) Customer Review
 
Customer Review
 
 
  Product  File
 
3Com Switch 5500G-EI 48-Port (3CR17251-91)
  3Com Switch 5500G-EI 48-Port (3CR17251-91) Product Specification
 
 
Mfr No 3CR17251-91
Standard/Type Network IEEE 802.Q, 802.3ad, 802.3x, 802.1D, 802.1w
Number of Hub Ports 48
Rack Mountable Yes
Stackable Yes
Status Indicators LEDs
Data Transfer Rate/Bandwidth 240.0 Gbps
Layer 2 switching IEEE 802.Q VLANs, 802.3ad LACP, 802.3x full-duplex flow control, 802.1D STP, 802.1w RSTP, Fast Start with BDPU protection, IGMP v1/v2 multicast filtering
Layer 3 switching Hardware-based routing, ECMP, ARP, virtual interfaces, static/dynamic routing, RIPv1/v2, OSPF, ASIC Layer 3 forwarding, PIM-DM, PIM-SM, IGMP v1/v2 snooping, DHCP Relay
Security RADIUS; PAP/CHAP/EAPoL (EAP over LAN) authentication; session accounting; SSH; Access Control Lists; packet filtering; SNMP v3 encryption, IEEE 802.1X Network Login; authentication, VLAN autoinitiation and QoS profiling; multilevel access privileges; administrative password recovery; management activity logs
Management 3Com Network Supervisor, 3Com Network Director, 3Com Enterprise Management Suite
Dimension (WxHxD) 44 x 4.36 x 45 ซม.
Other Performance: 240.0 Gbps switching capacity, 172.6 Mpps forwarding rate, maximum (with 2-port 10-Gigabit module); 142.9 Mpps forwarding rate, maximum (with no optional modules)

Convergence: Weighted Round Robin/Fair/Strict Priority Queuing, IEEE 802.1p Class of Service/Quality of Service (CoS/QoS), IPv6 classification, prioritization and filtering, ingress/egress rate limiting, webcache-based bandwidth management

Stacking: Up to 8 switch units, 448 Gigabit ports, with 16 10-Gigabit ports; 3Com XRN® Stacking linked in active/active load-sharing configuration via built-in dedicated 48 Gbps stacking ports (96 Gbps full duplex)

Resiliency: IEEE 802.3ad LACP, hot-swappable switch units, DC RPS provides N+1 power redundancy, seamless failover between AC and DC modes

Operating system: 3Com Operating System; shared with 3Com Switch 8800, 7700 and Router 6000

Other management: Web-based GUI, SNMP v1/2/3, telnet, CLI, SSH, RMON-1 (statistics, history, alarms, events), multiple software images, bank swap, statistics gathering and reporting, remote polling/ping (unicast mode only), software backup/restore, Xmodem, FTP, TFTP, telnet, IP address allocation via manual/DHCP/BOOTP

Network debugging tools: DHCP tracker, UDP helper, traceroute, 1-1 traffic mirroring (standalone unit only)

Built-In power supply: 50/60 Hz AC; 90-240 VAC input; supports multiple power modes: AC-only, AC and DC, DC-only

DC Redundant Power Supply (RPS): Available standards-based DC RPS designed by Eaton Powerware Corporation, leading provider of

IEEE standards: IEEE 802.1D (STP), 802.1p (CoS), 802.1Q (VLANs), 802.1w (RSTP), 802.1X (Security), 802.3 (Ethernet), 802.3ad (Link Aggregation), 802.3ab (1000BASE-T), 802.3ae (10G Ethernet), 802.3i (10BASE-T), 802.3u (Fast Ethernet), 802.3x (Flow Control), 802.3z (Gigabit Ethernet)

Standard: EN 60068 (IEC 68)

Emissions: CISPR 22 Class A, FCC Part 15 Class A, EN 55022 1998 Class A, ICES-003 Class A, VCCI Class A, EN 61000-3-2 2000, 61000-3-3

Immunity: EN 55024

Safety agency certifications: UL 60950, IEC 60950-1, EN 60950-1, CAN/CSA-C22.2 No. 60950
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