User`s manual

Installation
4-to-1 Mode (AS-8144B & AS-8441B)
1. Turn off all devices.
2. Connect the Bitronics Auto Switch to the computers with DB-25 straight-through male-to-
male cables.
3. Connect the Bitronics Auto Switch to the printer with a DB-25 to C-36 male-to-male cable.
4. Set DIP switch segment 3 - located on the side panel - to 4 > 1 mode.
5. Set DIP switch segment 4 for a time out of either 15 or 45 seconds.
6. Turn on your computers and the printer. The four LEDs should flash alternately as the switch
scans for print jobs.
Note: If the Bitronics Auto Switch does not get enough power from the connected devices, its
operation becomes erratic - in which case you must use a Power Adapter.
1-to-4 Mode (AS-8144B only)
Never change DIP switch segment 3 from 1 > 4 to 4 > 1, (or vice versa), when
connected devices are powered On.
1. Turn off all devices.
2. Connect the Bitronics Auto Switch to the computer with a DB-25 straight-through male-to-
male cable.
3. Connect the Bitronics Auto Switch to the parallel devices with cables that have a DB-25
male connector at one end (to plug into the switch), and a connector appropriate for the
device at the other.
4. Set DIP switch segment 3 - located on the side panel - to 1 > 4 mode.
5. Turn on your computer and the parallel devices. The A LED turns on as the switch connects
to port A on start up.
Note: If the Bitronics Auto Switch does not get enough power from the connected devices, its
operation becomes erratic - in which case you must use a Power Adapter.