Manufacturer 3Com
Manufacturer Part # 3CR17333-91-US
Device Type Switch, stackable
Form Factor External, 1U
Networking Ports Qty 26 total available ports, comprised of: 24 10BASE-T/ 100BASE-TX ports + 2 dual-personality 10/ 100/ 1000 or SFP ports
Data Transfer Rate 100 Mbps
Data Link Protocol Ethernet, Fast Ethernet
Remote Management Protocol SNMP 1, SNMP 2, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP
Connectivity Technology Wired
Communication Mode Half-duplex, full-duplex
Switching Protocol Ethernet
MAC Address Table Size 8K entries
Status Indicators Port status, power
Features Layer 2 switching, auto-sensing per device, auto-negotiation, trunking, VLAN support, auto-uplink ( auto MDI/ MDI-X) , IGMP snooping, traffic shaping, DoS attack prevention, store and forward, Broadcast Storm Control, IPv6 support, Quality of Service ( QoS)
Compliant Standards IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad ( LACP) , IEEE 802.1w, IEEE 802.1x, IEEE 802.1s
Expansion / Connectivity Expansion Slots Total ( Free) 2 ( 2) x SFP ( mini-GBIC)
Interfaces 2 x network host, Ethernet 10Base-T/ 100Base-TX/ 1000Base-T, RJ-45
24 x network node, Ethernet 10Base-T/ 100Base-TX, RJ-45
1 x management, console, RJ-45
Miscellaneous Certifications FCC Class A certified, VCCI Class A ITE, EN55024, EN55022 Class A, FCC Part 15 B, ICES-003 Class A, RoHS, UL 60950-1, IEC 60950-1, EN 60950-1
Power Power Device Power supply, internal
Voltage Required AC 120/ 230 V ( 50/ 60 Hz)
Power Consumption n/ a
Environmental Parameters Minimum Operating Temp 32 ° F
Maximum Operating Temp 104 ° F
Operating Humidity Range 0 - 95%