 | Status Indicators | | Unit power Unit link Port link Power forwarding |
| Number of Ports | | 4 |
| Interfaces/Ports | | 4 x RJ-45 10/100Base-TX LAN |
| Fast Ethernet Port | | Yes |
| Humidity | | 10% to 90% Non-condensing Operating
5% to 95% Non-condensing Storage |
| Temperature | | 32°F (0°C) to 95°F (35°C) Operating
-22°F (-30°C) to 194°F (90°C) Storage |
| Manufacturer Part Number | | 3CNJ220-BLK-20 |
| Brand Name | | 3Com |
| Manufacturer | | 3Com Corporation |
| Product Line | | IntelliJack |
| Manufacturer Website Address | | www.3com.com |
| Product Type | | Ethernet Switch |
| Product Name | | IntelliJack Switch NJ220 |
| Connectivity Media | | Twisted Pair 10/100Base-TX |
| Additional Information | | Four 10/100 Mbps switched ports connect desktops, notebooks, printers, fax machines, or VoIP telephones; optional pass-through ports support telephony or additional networking Pass-through ports: One or two, voice/data, RJ-11/RJ-45 connectors Power over Ethernet: IEEE 802.3af-compliant, resistive- or capacitive-detection; some Cisco proprietary Power over Ethernet schemes Local power: 3Com Network Jack AC Power Supply (3CNJPSL) required for LANs without Power over Ethernet capabilities |
| Certifications & Standards | | IEEE 802.3: Ethernet IEEE 802.3u: Fast Ethernet IEEE 802.3af IEEE 802.1p IEEE 802.1Q IEEE 802.1X Safety, Emissions: FCC Class A CSA C-Tick NOM Building Standards: NEMA-WD6 ANSI/TIA/EIA-568 ANSI/TIA/EIA-569 |
| Package Contents | | 20 IntelliJack switches 20 pairs of Mounting screws 20 blank adapter plates (no pass-through ports) 20 pairs of adapter plate screws 20 RJ-45 male/male coupler cable (for LAN downlink port with female RJ-45 connector) 1 CD-ROM with user guide, 3Com Local Configuration Manager, and 3Com Central Configuration Manager 1 Quick Start Guide |
| System Requirements | | Power Forwarding: Through port #1; requires 802.3af-compliant or 48 V Power over Ethernet, or 3Com AC Power Supply Management Requirements: Management console requires Pentium processor 15 MB disk space Windows 2000 or Windows NT 4.0 with Service Pack 6 installed Package Contents |
| Layer Support | | 2 |
| Switching Method | | Store-and-forward |
| Color | | Black |
| Shipping Weight | | 8 oz |
| Dimensions | | 4.50" Height x 2.75" Width x 2.30" Depth |
| Manageable | | Yes |
| Management | | SNMP v1 TOS/Diffserv IEEE 802.1Q: VLANs IEEE 802.1p: Traffic prioritization/QoS 3Com Local Configuration Manager 3Com Central Configuration Manager 3Com Network Supervisor recommended |
| Protocols | | DHCP
SNMP
TCP/IP
RADIUS |
| Security Features | | Security features include 802.1x Network Login RADIUS support MAC address filtering |
| Parts Warranty/Labor | | Lifetime |
| Standard Warranty | | Lifetime Limited |
