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Western Telematic Switchbox - 41, 41a, 161a Cable Configuration |
Western Telematic Switch Boxes
You have the ability to increase the number of printers you can drive with your PC by using a Western Telematic CAS-41 4-way switch box, a Western Telematic CAS-81 8-way switch box or a Western Telematic CAS-161A 16-way switch box. These switching devices may be obtained from:
WESTERN TELEMATIC, INC.
5 Sterling
Irvine, CA 92718 USA
714.586.9950 • 800.854.7226
Fax: 714.583.9514
www.wti.com
Western Telematic Switchbox - 41 - Dip Switches
NOTE: When using a CAS-41 or 41A, move all four jumpers down one position so that the "DTR" lines printed on the circuit board are not pointing at the jumpers.
Western Telematic Switchbox - 41a - Dip Switches
NOTE: When using a CAS-41 or 41A, move all four jumpers down one position so that the "DTR" lines printed on the circuit board are not pointing at the jumpers.
Western Telematic Switchbox - 41a - Changing Monitor Pins
The four internal jumpers located on the CAS-41A circuit board are used to switch the CAS-41A to monitor pin 4 (Request to Send) instead of pin 20 (factory setting). To switch monitor pins, proceed as follows:
CAUTION: Make certain to power off the CAS-41A and disconnect the power cable before attempting to remove the instrument cover.
Remove the four screws
that secure the CAS-41A's plastic cover 
to the chassis.
Remove
the cover from the chassis.
Locate the jumpers on the CAS-41A circuit board. As you face the instrument back panel, the jumpers are located in the lower left hand corner of the circuit board. Move the jumpers as shown to monitor pin4.
Replace the plastic cover on the CAS-41A chassis. Reinstall the four screws that secure the cover to the chassis. Reconnect the power cable and switch the power on.
Western Telematic Switchbox - 81c - Dip Switches
The CAS - 81C 8-way Switch Box is equipped with a set of 8 position or 10 position Dip Switches as follows:
NOTE: When purchasing the CAS-81c 8-way switchbox, it must be equipped with firmware version 1.0a.
Western Telematic Switchbox - 161a - Dip Switches
Western Telematic Switchbox - 41, 41a, 161a Cable Configuration
Western Telematic Switchbox - 81c Cable Configuration
Western Telematic Switch Box Printer Assignments
If a third CAS-41 Code Activated Switch is connected to the PC above, printer assignments would be 9 through 12. The same would be true for the CAS-161A, where the first switch box would go to Printers 1 through 16, the second switch box would go to Printers 17 through 32 and if a third switch box is connected, it would go to Printers 33 through 48.