User guide

CommPlete 4000 Communications Server Overview 35
 If problem persists, contact MultiTech's Technical Support department (see Chapter 6).
COM1, COM2, or LPT1 port does not respond correctly
 Try COM2. If it also fails, check Setup configuration and verify that the ports are enabled.
 Check if any adapter boards are conflicting with ports. If ports are used by an expansion
card, then on board ports must be turned off in Setup.
 Check that cables are connected properly and peripherals are powered ON and
configured properly.
 If problem persists, contact MultiTech's Technical Support department (see Chapter 6).
Keyboard does not respond to key strokes
 Connect keyboard cable to the left round connector on SBC.
 If cable converter is used to connect a large 5-pin DIN to a small 6-PIN PS/2 DIN, check it
(the cable converter) to see if it is defective or the wrong type.
 Verify that the keyboard works on a different system.
 If problem persists, contact MultiTech's Technical Support department (see Chapter 6).
Invalid Time, Date or Setup
 Battery is failing.
 Last system boot was incomplete. Verify in Setup that configuration is correct and reboot
system.
 If problem persists, contact MultiTech's Technical Support department (see Chapter 6).
Diagnostic Tests
The CommPlete 4000 operates like any stand-alone PC and can run almost any off-the-shelf
diagnostic program or checkpoint card. These programs are available at any software re-seller
and can quickly help isolate component failures.
Calling Technical Support
For immediate help in finding and fixing CommPlete 4000
problems, record the error condition
and call Multi-Tech's Technical Support department (refer to Chapter 6 of this manual).