Modulus COMP-U-DIFF 10-329 Operating Manual page 19

USER CHANGEABLE SETTINGS
<PJ1> LOCATION #1 - -
Jumper on = Upper right key <non-total>
Jumper off = All count keys add into grand total
<PJ1> LOCATION #2 - - COMPUTER OR PRINTER OUTPUT SELECTION
Jumper on = Data output to both Printer and Computer ports.
Jumper off = Data output to Computer port only.
<PJ1> LOCATION #3 - - COMPUTER PORT PROTOCOL TYPE (BID)
Jumper On = Bi-directional data control utilizing ACK/NACK protocol.
Jumper Off = Unidirectional data flow to computer.
<PJ1> LOCATION #4 - - ASCII DATA WORD LENGTH
Jumper On = Word length set to 7 bits.
Jumper Off = Word length set to 8 bits.
<PJ1> LOCATION #5 - - PARITY STATUS
Jumper On = Parity Enabled.
Jumper Off = Parity Disabled.
<PJ1> LOCATION #6 - - PARITY TYPE (provided Parity has been enabled)
Jumper On = Even Parity.
Jumper Off = Odd Parity.
<PJ1> LOCATION #7/8 - - BAUD RATE SELECTION (Computer Port)
BAUD RATE
1200
2400
4800
9600
Note: Printer Port set in software to 1200 band – 8 data bits – No Parity.
COMPUTER INTERFACE
The COMP-U-DIFF workstation may be connected directly to a lab computer system by means
of the supplied communications interface cable. The port is EIA and RS-232 compatible with
pins configured as shown below:
PIN #
2
3
4
5
7
20
NON-TOTAL KEY (NT1)
LOCATION #7
Jumper Off
Jumper Off
Jumper On
Jumper On
SIGNAL NAME
RECEIVE (used in bi-directional mode only)
TRASMIT
REQUEST TO SEND (RTS)
CLEAR TO SEND (CTS)
SIGNAL GROUND
DATA TERMINAL READY (factory set option)
LOCATION #8
Jumper Off
Jumper On
Jumper Off
Jumper On
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