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3Com NJ 90 Network Jack - Switch - 4 ports - EN, Fast EN - 10Base-T, 100Base-TX - panel-mountable at Backoffice
3Com NJ 90 Network Jack - Switch - 4 ports - EN, Fast EN - 10Base-T, 100Base-TX - panel-mountable
3CNJ90
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This product is no longer available.
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The 3Com NJ90 Network Jack is a low-cost, unmanaged switch that mounts in the wall, expanding one LAN wall outlet into four Fast Ethernet network connections. It increases the number of network ports available at the desktop - without the cost and inconvenience of running additional cables through walls and ceilings. Priced attractively, one 3Com NJ90 Network Jack costs a fraction of what you would spend on installing and activating four additional lines using Category 5 or 5e cabling. Historical buildings, solid-wall structures, and sites with asbestos insulation are great candidates for the network jack. Installed in a standard wall cutout, it's an elegant and reliable alternative to a freestanding switch, with significantly less risk of theft or damage. Different power options are available to meet a variety of installation needs, including a local AC power adapter and industry-standard P802.3af-compatible Power over Ethernet delivered over existing network cabling.| Product Description | 3Com NJ 90 Network Jack - switch - 4 ports | | Device Type | Switch | | Form Factor | Panel-mountable | | Dimensions (WxDxH) | 7 cm x 5.8 cm x 11.4 cm | | Ports Qty | 4 x Ethernet 10Base-T, Ethernet 100Base-TX | | Data Transfer Rate | 100 Mbps | | Data Link Protocol | Ethernet, Fast Ethernet | | Communication Mode | Half-duplex, full-duplex | | Features | Full duplex capability, auto-negotiation | | Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.1p, IEEE 802.3af | | Manufacturer Warranty | Limited lifetime warranty |
GENERAL |
| Device Type | Switch |
| Enclosure Type | Panel-mountable |
| Width | 7 cm |
| Depth | 5.8 cm |
| Height | 11.4 cm |
| Enclosure Colour | Cream |
NETWORKING |
| Ports Qty | 4 x Ethernet 10Base-T, Ethernet 100Base-TX |
| Data Transfer Rate | 100 Mbps |
| Data Link Protocol | Ethernet, Fast Ethernet |
| Connectivity Technology | Wired |
| Communication Mode | Half-duplex, full-duplex |
| Features | Full duplex capability, auto-negotiation |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.1p, IEEE 802.3af |
EXPANSION / CONNECTIVITY |
| Interfaces | 4 x network node - Ethernet 10Base-T/100Base-TX - RJ-45
1 x network host - Ethernet 10Base-T/100Base-TX - RJ-45 |
MISCELLANEOUS |
| Cables Included | 1 x network coupler |
| Mounting Kit | Included |
| Compliant Standards | FCC Class A certified, CSA, C-Tick, ICES-003, NOM, VCCI Class A ITE |
MANUFACTURER WARRANTY |
| Service & Support | Limited lifetime warranty |
| Service & Support Details | Limited warranty - lifetime |
ENVIRONMENTAL PARAMETERS |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 35 °C |
| Humidity Range Operating | 10 - 90% |
| Max Altitude Operating | 2 km |
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