3Com 3CR17251-91 - Switch 5500G-EI Stackable Gigabit Ethernet

3Com 3CR17172-91 5500-EI PWR 48 x RJ-45 Ports PoE 10/100Base-TX + 4 x SFP Ports Layer 3 Managed Rack-mountable Fast Ethernet Network Switch

Expansion / Connectivity
Interfaces:	48 x 100Base-TX RJ-45 PoE ¦ 1 x console RJ-45 management ¦ 4 x SFP (mini-GBIC)

General
Authentication Method:	Secure Shell (SSH), RADIUS, PAP, CHAP
Compliant Standards:	IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.3ae, IEEE 802.1s
Device Type:	Switch - 48 ports - L3 - Managed - stackable
Enclosure Type:	Desktop 1U
Encryption Algorithm:	DES, MD5
Features:	Flow control, Layer 3 switching, DHCP support, auto-negotiation, BOOTP support, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, stackable, 3Com XRN Technology
MAC Address Table Size:	16K entries
Ports:	48 x 10/100 (PoE) + 4 x SFP
Power Over Ethernet (PoE):	PoE
Remote Management Protocol:	RMON 1, SNMP, Telnet, SNMP 3, HTTP
Routing Protocol:	OSPF, RIP-1, RIP-2, IGMPv2, IGMP, PIM-SM, static IP routing, PIM-DM
Subtype:	Fast Ethernet

Miscellaneous
Compliant Standards:	FCC Class A certified, CISPR 22 Class A, EN 60950, EN 61000-3-2, VCCI Class A ITE, IEC 60950, EN 61000-3-3, EN55024, UL 60950, CSA 22.2 No. 60950, FCC Part 15, ICES-003 Class A

Power
Power Device:	Internal power supply
Voltage Required:	AC 120/230 V (50/60 Hz)

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