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3Com
IntelliJack
®
NJ1000
3CNJ1000
Part Number: 10016679 Rev AB
Published: June 2008
®
The 3Com
IntelliJack Gigabit Switch NJ1000 (3CNJ1000) is a 5-port, unmanaged gigabit
Ethernet switch that fits into most standard electrical wall outlets or data port openings.
The NJ1000 can also be mounted on the desktop using the optional desk stand,
3CNJ1000STAND.
Throughout this guide, the 3Com
referred to as the NJ1000. This Quick Start Guide describes the basic steps necessary to
install and configure your NJ1000.
Copyright © 2008 3Com Corporation. All Rights Reserved.
Unless otherwise indicated, 3Com registered trademarks are registered in the United States and
may be registered in other countries. 3Com, the 3Com logo, and IntelliJack are registered
trademarks of 3Com Corporation.
Quick Start Guide
Gigabit Switch
®
®
IntelliJack Gigabit Switch NJ1000 (3CNJ1000) is
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Summary of Contents for 3Com IntelliJack NJ1000
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Page 1: Quick Start Guide
Copyright © 2008 3Com Corporation. All Rights Reserved. Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may be registered in other countries. 3Com, the 3Com logo, and IntelliJack are registered trademarks of 3Com Corporation. Quick Start Guide Gigabit Switch ®... -
Page 2: About This Guide
About This Guide Overview of the NJ1000 and Its Features ■ NJ1000 Basics ■ Observe All Safety Precautions ■ Check the Shipment ■ Register Your Product ■ Telephone Technical Support and Repair ■ Installation Overview ■ 1. Understand the Power Options ■... - Page 3 computers, servers, access points, IP cameras, and Voice Over IP (VoIP) telephones to the network through a single Ethernet connection. All 5 LAN ports feature 10/100/1000 Mbps with auto-negotiation and auto MDI-X. The NJ1000 also provides two pass-through ports that can be used to connect two additional devices to separate network segments through the same unit.
- Page 4 Table 1 Feature Description 4 Gigabit LAN Allows you to connect up to four devices to the network. switch ports A green LED indicates connection status when a device is using a with LEDs particular port. Port 1 and port 2 are also power-forwarding ports; they can be used with any standard networking device as well as to power any device that requires IEEE 802.3af-compatible PoE.
- Page 5 This diagram shows the rear view of the NJ1000. Table 2 on page 5 describes the features. Table 2 Feature Description Two Pass-through The pass-through ports bypass the functionality of the switch and are ports directly wired to the associated pass-through ports on the front of the unit.
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Page 6: Check The Shipment
the end of this guide. For the safety of people and equipment, only professional network personnel should install the NJ1000. WARNING: To avoid possible injury or damage to equipment, you must use power supply equipment that is safety certified according to UL, CSA, IEC, or other applicable national or international safety requirements for the country of use. -
Page 7: Register Your Product
Telephone Technical Support and Repair 3Com offers telephone, e-mail, and Internet access to technical support and repair services. To access these services for your region, use the appropriate telephone number, URL or e-mail address from the following URL: http://csoweb4.3com.com/contactus/... - Page 8 1. Understand the Power Options Power to the NJ1000 can be supplied through either PoE (either 802.3at or 802.3af) applied to the uplink port or through the optional local external power supply. If power is supplied to the uplink port by 802.3at or by the external power supply, then ports 1 and 2 may act as PoE PSE (Power Source Equipment) and may also provide power to other devices plugged into those ports.
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Page 9: Plan The Installation
One Class 1 PD device and One Class 2 PD device ■ CAUTION: You must use only a power supply that is provided or approved by 3Com for use with this NJ1000. Failure to comply with this requirement may result in damage to the NJ1000, or may result in a hazardous situation or personal injury. - Page 10 NOTE: If you are installing the NJ1000 into a wall junction box, make sure that there is enough space between the back of the NJ1000 and the inside of the junction box to maintain an acceptable bend radius on the cable. To ensure proper horizontal cabling functionality, adhere to the following ■...
- Page 11 The network cabling (from the wiring closet to the wall opening) may already be installed. If it is not, install the cabling following these general guidelines. CAUTION: 3Com recommends that a professional cable installer perform these procedures. Be sure to adhere to local safety and regulatory codes during the cable installation.
- Page 12 If the end of the cable is terminated with a male connector, connect the network ■ cable directly into the Ethernet uplink port. 7. Mount the NJ1000 to the Wall After you connect the NJ1000 to the network, follow these steps, as shown in the next figure: Mount the NJ1000 to the wall-mount bracket.
- Page 13 Plug the power cord of the local power supply into an AC outlet. WARNING: Use only the local power supply available from 3Com. Failure to do so may result in damage to the NJ1000 or may result in a hazardous situation.
- Page 14 9. Connect Devices to the NJ1000 Now you may connect networking devices such as computers, servers, access points, IP cameras, and Voice Over IP (VoIP) telephones to any of the four LAN ports on the front of the NJ1000. Remember, if power is supplied to the NJ1000 by 802.3at or via the local, external power supply, then PoE PSE power will be available on ports 1 and 10.
- Page 15 Table 5 Uplink On — The unit is connected to the network and a link has been established. Off — There is no connection to the network. PoE Power LED On — The unit is receiving power via PoE from the network. Green —...