3 C O M
®
I N T E L L I J A C K
™
S W I T C H FA M I LY D ATA S H E E T, INTERNATIONAL-S TA N D A R D M O D E L S
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 Pho
ne
3Com
IntelliJack
™
3Com
®
SuperStack
®
3 Sw
itch 4400 P
WR
Serv
er
Deskto
p PC
Wiring clo
set
User
work
site
1
2
3
1
2
3
4
3Com
IntelliJ
ack
™
3Com NBX
®
Phone
3Com Po
wer over
Ethernet
Midspan S
oluti
on
10/100
Mbp
s Switch
Server
Deskto
p PC
Wiring clo
set
User
worksite
4
5
Data and Po
wer
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
