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SPECIFICATIONS
PORTS
IntelliJack Switch
All: four 10/100BASE-TX ports, RJ-45
connectors
NJ220 and NJ100: one 10/100BASE-TX
port for uplink
NJ240FX: one multi-mode 100BASE-FX
(LC, SC or ST connector available)
Pass-through
NJ240FX: one RJ-45
NJ220 and NJ100: up to two optional
RJ-11 and/or RJ-45— requires
installation of AMP, Avaya, Hubbell,
Ortronics, or Panduit adapter plate
in place of blank plate (adapter plates
not included in IntelliJack switch 20-
packs; must be purchased separately)
Multimode Fiber (NJ240FX)
850 nm wavelength:
50/125 µm cable, 500 MHz•km
bandwidth, 3.5 dB/km attenuation
62.5/125 µm cable, 200 MHz•km
bandwidth, 3.5 dB/km attenuation
1300 nm wavelength:
50/125 µm cable, 500 MHz•km
bandwidth, 1.5 dB/km attenuation
62.5/125 µm cable, 500 MHz•km
bandwidth, 1.0 dB/km attenuation
SECURITY
Network login with IEEE 802.1X user
authentication
MAC address filtering and port-based
rate limiting
POWER OVER ETHERNET (POE)
IEEE 802.3af PoE forwarding through
port #1 of device
NJ220 and NJ100 can be provisioned
by PoE
ORDERING INFORMATION
PRODUCT DESCRIPTION
Switches
3Com IntelliJack Switch NJ220
(single-pack, black)
(single-pack, cream)
(20-pack, black)
(20-pack, cream)
3Com IntelliJack Switch NJ240FX with LC Connector
3Com IntelliJack Switch NJ240FX with SC Connector
3Com IntelliJack Switch NJ240FX with ST Connector
3Com IntelliJack Switch NJ100
(single-pack, cream)
Switch Adapter Plates
AMP Adapter Plates
(20-pack, black)
(20-pack, cream)
Avaya Adapter Plates
(20-pack, black)
(20-pack, cream)
MANAGEMENT
*
IEEE 802.1Q VLANs, IEEE 802.1p QoS,
DHCP; port-level control; location
mapping
Compatible with SNMP v1, SNMP v3
(NJ240FX) and most SNMP-compliant
management platforms
Supplied with 3Com Central
Configuration Manager and 3Com
Local Configuration Manager
DIMENSIONS
Switch NJ220, NJ100:
Height: 11.4 cm (4.50 in)
Width: 7.0 cm (2.75 in)
Depth: 5.8 cm (2.30 in)
Switch NJ240FX:
Height: 11.6 cm (4.57 in)
Width: 7.2 cm (2.83 in)
Depth: 4.6 cm (1.81 in)
24-port midspan PSE:
Height: 4.4 cm (1.73 in)
Width: 43.3 cm (17.04 in)
Depth: 30.2 cm (11.88 in)
Single-port midspan PSE:
Height: 2.6 cm (1.02 in)
Width: 6.4 cm (2.52 in)
Depth: 10.2 cm (4.02 in)
AC power supply:
Height: 3.8 cm (1.50 in)
Width: 5.1 cm (2.00 in)
Depth: 8.9 cm (3.50 in)
Extension ring:
Height: 10.2 cm (4.02 in)
Width: 5.2 cm (2.05 in)
Depth: 0.8 cm (0.30 in)
3COM SKU
3CNJ220-BLK
3CNJ220-CRM
3CNJ220-BLK-20
3CNJ220-CRM-20
3CRNJ240FXLCTAA-75
3CRNJ240FXSCTAA-75
3CRNJ240FXSTTAA-75
3CNJ100
3CNJAPB-AM-20
3CNJAP-AM-20
3CNJAPB-AV-20
3CNJAP-AV-20
Visit www.3com.com for more information about 3Com secure converged network solutions.
3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064
3Com is publicly traded on NASDAQ under the symbol COMS.
Copyright © 2006 3Com Corporation. All rights reserved. 3Com, the 3Com logo, and IntelliJack are registered trademark of 3Com Corporation or one of its subsidiaries.
All other company and product names may be trademarks of their respective companies. While every effort is made to ensure the information given is accurate, 3Com
does not accept liability for any errors or mistakes which may arise. All specifications are subject to change without notice.
3COM® INTELLIJACK® SWITCH FAMILY: U.S.–STANDARD
POWER OPTIONS
NJ220 and NJ100: Provisioned by any
IEEE 802.3af-compliant PoE source
and most 24 VDC and 48 VDC inline
sources; 3Com IntelliJack Switch
Power Supply (3CNJPSL) is required
where LAN does not have Power over
Ethernet
NJ240FX has integral power supply
POWER SUPPLY
NJ240FX (integral): 100-240 VAC,
50-60 Hz
IntelliJack Switch Power Supply (for use
with NJ220 and NJ100): 110/120 VAC,
50-60 Hz; supplies 48 VDC
LED INDICATORS
Unit power, link activity/status of
ports, power forwarding
ENVIRONMENTAL
REQUIREMENTS
Operating temperature: 0° to 35°C
(32° to 95°F)
Storage temperature: -30° to 90°C
(-22° to 194°F)
Humidity (operating and storage):
10% to 90% non-condensing
IEEE STANDARDS SUPPORTED
IEEE 802.1p (CoS)
IEEE 802.1Q (VLANs)*
IEEE 802.1X (Security)
IEEE 802.3af (Power over Ethernet)
IEEE 802.3i (10BASE-T)
IEEE 802.3u (Fast Ethernet)
CERTIFICATIONS
Emissions and Safety:
VCCI Class A
FCC Part 15 Class A
ICES-003 Class A
CSA, C-Tick, NOM
PRODUCT DESCRIPTION
Switch Adapter Plates
, continued
Hubbell Adapter Plates
(20-pack, black)
(20-pack, cream)
Ortronics Adapter Plates
(20-pack, black)
(20-pack, cream)
Panduit Adapter Plates
(20-pack, black)
(20-pack, cream)
Power and Accessories
3Com Power over Ethernet Multiport Midspan Solution
(24 ports, 802.3af-compliant)
3Com Power over Ethernet Single-Port Midspan Solution (48 VDC)
3Com IntelliJack Switch AC Power Supply
3Com IntelliJack Switch Extension Ring
Building:
NEMA-WD6, ANSI/TIA/EIA-568
and -569
PACKAGE CONTENTS
Switch NJ220, NJ100 single-pack:
One switch with mounting screws, RJ-
45 coupler cable, three adapter plates
(Panduit, Avaya, blank), user guide;
NJ220 includes quick start guide and
CD-ROM with management utilities
Switch NJ240FX:
One switch with mounting screws,
cable housing tray, wall-mount plate,
power cord, quick start guide, user
guide; CD-ROM with management
utilities
Switch NJ220 20-pack:
20 switches with mounting screws, 20
RJ-45 coupler cables, 20 blank adapter
plates, user guide, quick start guide
and CD-ROM with management utilities
Avaya/Panduit adapter plates,
20-pack:
20 adapter plates with mounting
screws
Hubbell/AMP/Ortronics adapter
plates, 20-pack:
20 snap-in adapter plates
PoE midspan solutions:
Midspan PSE, power cord
IntelliJack Switch Power Supply:
AC power adapter, power cord
WARRANTY
Limited Lifetime Hardware Warranty
(NJ220 and NJ100); One-year Limited
Hardware Warranty (NJ240FX).
Limited Software Warranty for
ninety (90) days. See
www.3com.com/warranty for details.
* NJ240FX and NJ220 models
3COM SKU
3CNJAPB-HU-20
3CNJAP-HU-20
3CNJAPB-OR-20
3CNJAP-OR-20
3CNJAPB-PA-20
3CNJAP-PA-20
3CNJPSE24
3CNJPSE
3CNJPSL
3CNJEXTRING
400717-010 04/06