Datasheet

3COM
®
INTELLIJACK
™
SWITCH FAMILY DATA SHEET, INTERNATIONAL-STANDARD MODELS
2
3Com IntelliJack
Switch Setup
Figure 3: 802.3af-compliant Power over Ethernet
network configuration with power forwarding to
another device.
1 3Com SuperStack
®
3 Switch 4400 PWR
(3C17205) delivers data and power over
Category 5/5e cabling.
2 The IntelliJack switch prioritizes voice and data
traffic for connected devices.
3 Either model, NJ105 or NJ205, can forward
Power over Ethernet to a 3Com NBX
®
802.3af
Phone or other 802.3af-compliant device.
Figure 4: Retrofitting an existing Ethernet
infrastructure to support Power over Ethernet.
4 3Com Power over Ethernet Multi-Port or Single-
port Midspan Solution (3CNJPSE24, 3CNJPSE)
injects 48 VDC Power over Ethernet into existing
10/100 Mbps switched connections.
5 A prestandard 24-volt NBX phone can be modi-
fied with the 3Com NBX Phone Power Module
(3CNJVOIPMOD-NBX) to accept 48 VDC Power
over Ethernet.
1
2
3
4
3Com NBX
®
802.3af Phone
3Com Inte
lliJack
™
3Com
®
SuperStack
®
3 Switch 4400 PWR
Serv
e
r
Desktop PC
Wiring closet
User work
site
1
2
3
1
2
3
4
3Com IntelliJack
™
3Com NBX
®
Phone
3Com Power over
Ethernet
Midspan Solu
ti
on
10/100 M
bp
s
Switch
Server
Desktop PC
Wiring closet
User worksite
4
5
Data and Power
Power
Data
Figure 2: Mounting the IntelliJack switch NJ225 FX
into a raceway as commonly found in Germany.
To wiring
closet
Optional
pass-through port
Uplink connection for four-port
switch
Uplink connection for
optional pass-through
port
Four switched ports
are located out of the
way, along the bottom
edge of the unit
“Phoenix-style” AC connection
48 VDC plug from
3Com Network
Jack/IntelliJack Switch
AC Power Supply (3CNJPSL)
Figure 1: Mounting
the IntelliJack switch
NJ105, NJ225