13
12. Download and Install the 3Detect Software (Optional)
To simplify discovery of the NJ2000 on the network:
1
Turn your computer on, launch your web browser, and point to
www.3com.com
2
Select
Support > Downloads & Drivers.
To locate and download the
3Detect software, enter
3CNJ2000
and then select
Utility Software.
3
Download and expand the software, and then run
setup.exe
4
Follow the instructions on the screen to complete the installation.
Using 3Detect Software
With the 3Com
®
3Detect software, you can discover the NJ2000s on a
subnetwork and determine their IP addresses. Follow these steps:
1
Connect your computer to the NJ2000 either directly or over the network.
2
Launch 3Detect from the Windows Start menu:
Start > Programs : 3Com 3Detect > 3Detect
When 3Detect discovers your NJ2000, it displays it on the main screen.
3
Select your NJ2000 in the list and then click
Properties.
Make a note of the IP address.
4
Repeat the process for each NJ2000 in the network.
13. Troubleshooting: Check the LEDs
Verify the NJ2000 installation by checking the LEDs according to this table:
LED
Description
LAN
On — A device is connected to the NJ2000 and a link has been established.
Off — There is no connection to the NJ2000.
Port 1 and Port 2
PoE
On — 802.3af PoE is being supplied.
Off — No PoE is being supplied.
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 — Power is supplied via 802.3at
•
Amber — Power is supplied via 802.3af
Off — The NJ2000 is not receiving PoE power.
DC Power LED:
On — The unit is receiving power via the optional local DC power supply,
3CNJPSL.
Off — The NJ2000 is not receiving local DC power.