Installation guide

Network Adapter Card Installation Guide - Book II
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12. Remove the loopback connector from the port.
13. Re-connect the data cables to the network port.
Caution
For safety reasons, if the adapter is not connected immediately to
the data network, insert the protective plug. Otherwise laser light
may be emitted. Inserting the protective plug is also protects the
port against dust and dirt.
Repeater Test
for Copper
Adapters
For the AT-2916T, AT-2970, and AT-2971 Series adapters the test via
wrap plug is not available. However, loopback testing may be carried out
by connecting the adapter to another adapter installed in a second
computer running in repeater mode (further known as the repeater
computer). The computer in which the adapter is installed, which is to be
tested, is called test computer.
To test the copper adapter, perform the following procedure:
1. Install a copper adapter in the repeater computer.
2. Boot the repeater computer to DOS.
Wait until the operating system is loaded and the DOS prompt is
displayed.
3. Insert the CardAssistant CD into the CD-ROM drive.
4. Go to the product directory and type diagGE.
5. Press <Enter>.
6. From the Main Menu of the diagnostics program, select Repeater
Mode.
7. Select the port which is to be tested, for example, A (for single link
adapters, only A is available).
8. Press <Enter>.
The window Repeater Mode Port A is displayed.
9. Install a copper adapter in the test computer.
10. Connect the adapter in the repeater computer to the adapter in the
test computer. Use a category 5 cable with RJ-45 plugs.
11. Boot the test computer to DOS.
Wait until the operating system is loaded and the DOS prompt is
displayed.