What is the SW1 slide switch on the PCM400 Interface board for?
The slide switch on the PCM400 Interface/Terminal board will interrupt the main power to the PCM’s boards and outputs. Back to Top My Problem is… Why can’t I connect properly to a PCM400 using a Modem? If the computer you are using does not dial the site, troubleshoot your computer and computer software first. Try calling other known good PCM400’s to verify your computer’s operation. If your computer dials the number but the PCM400 does not answer, either the phone number is not correct (or it has been entered incorrectly) or the PCM400 is not connected to the telephone system properly. Try using a telephone handset or cellular phone to manually dial the PCM400 system. The PCM400 will answer and issue an audible tone regardless of who or what has called. Check the obvious first. Is the installed phone line working? Is the PCM400’s Modem connected properly to the phone line installed? If the PCM400 answers the phone and connects via Modem, but the characters that are received by your
