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This section tells how to set the internal DIP switches for the Model
378S, and details the factory default DIP switch settings.
3.1 ACCESSING THE INTERNAL SWITCHES
To configure the Model 378S, you must first open the case by tak-
ing off the 4 screws (2 on each side). Then locate the DIP switches
(shown below) at the lower center of the PC board:
O N
ON
OFF
1 2 3 4 5 6 7 8 9 10
3.2 SWITCH SETTINGS
The individual descriptions below and the table on the following
page detail all possible configuration switch settings. You must set the
internal DIP switches to match the configuration of your PCs and printer
or the Model 378S will not function properly.
sw
1-1-3, BAUD RATE: SW1-1, SW1-2, and SW1-3 are used to set
the 378S internal baud rate. Whichever baud rate setting you choose, it
must match the baud rate settings of your PCs and printer.
SW1-4, WORD LENGTH: The 378S will accept either 7 (OFF) or 8
(ON) data bits, selectable by SW1-4. Again, the setting of this switch
must match the PC and printer settings. Either format may use one or
two stop bits (See SW1-7).
SW1-5, PARITY ENABLE: SW1-5 enables (ON) or disables (OFF)
parity. With parity enabled, the 378S accepts an even or odd parity bit
(See SW1-5).
SW1-6, PARITY TYPE: The 378S accepts either even (OFF) or odd
(ON) parity. In order for SW1-6 to operate properly, SW1-5 (Parity
Enable) must be in the ON position.
3
SW1-7, STOP BITS: Use SW1-7 to set the number of Stop Bits to 1
(OFF) or 2 (ON).
SW1-8 & 9, TIMEOUT: After the last data bit is received from the
currently selected port, SW1-8 and SW1-9 determine how long the
378S waits before moving on to the next port. Text and word process-
ing files generally need a very short timeout setting. Larger graphics
files may require longer timeout settings.
SW1-10, FORM FEED AT EOJ: With SW1-10 disabled (OFF), the
378S will not issue a Form Feed at the End Of Job. Any text or word
processing form feeds or blank pages will print as normal. With SW1-
10 enabled, the 378S will form feed one page at EOJ (see Appendix A
for more information about Form Feed at EOJ).
SWITCH CONFIGURATION TABLE
Switch Position
Function
SW1-1,2,3
Data Rate
SW1-4
Word Length
P
SW1-5
Enable
A
R
I
T
SW1-6
Type
Y
SW1-7
Stop Bits
SW1-8,9
Timeout
120 Seconds
SW1-10
Form Feed
at End of Job
Bold Italics = Factory Setting
Options
Settings
SW1-1 SW1-2 SW1-3
1200
Off
Off
Off
2400
Off
Off
On
4800
Off
On
Off
9600
Off
On
On
19,200
On
Off
Off
SW1-4
7 data bits
Off
8 data bits
On
SW1-5
Disable
Off
Enable
On
SW1-6
Even
Off
Odd
On
SW1-7
1 Stop bit
Off
2 Stop bits
On
SW1-8 SW1-9
2 Seconds
Off
Off
8 Seconds
Off
On
60 Seconds
On
Off
On
On
SW1-10
Disable
Off
Enable
On
4
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