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Installation Instructions:
1.
Plug the power cable into the Network Jack.
2.
Route the power cable through the stain relief fixture.
3.
Secure the local power supply and cable to the wall.
4.
Plug the Local Power Supply into the power source.
NOTE: Completing these procedures in sequence will reduce
issues during the installation process.
The NJ90 works with the following Power Supplies. Updated infor-
mation is available online at www.3com.com/products
Component
Integrated Switch
with Power over
Ethernet
Multi-port Ethernet
power supply
(Uses Spare Pairs)
Single-port Ethernet
power supply
(Uses Spare Pairs)
Local power supply
Appendix C: Setting up the Power Supply
Purpose
For providing Power over
Ethernet to power up to
24 NJ90's
For providing Power Over
Ethernet to power up to
24 NJ90s.
For providing Power over
Ethernet to power a single
NJ90.
For locally powering a
single NJ90; required if
your network does not
support Power Over
Ethernet.
3C Number(s)
3C17205
3CNJPSE24
3CNJPSE
3CNJPSL
11
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