ADEMCO 6220 User Manual page 17

PIN NO. . . . . PIN NO PIN NO SIGNAL SIGNAL DIRECTION DIRECTION
PIN NO PIN NO SIGNAL SIGNAL SIGNAL DIRECTION DIRECTION DIRECTION
1 Chassis
Ground
2 (TD) From Printer
Transmitted
Data
3 (RD) To Printer
Received
Data
7 (SG)
Signal
11 & 20 (CTS) From Printer
Clear to Send
The rest are not used.
Serial Interface V Serial Interface V
Serial Interface V Serial Interface Voltage L Serial Interface V
R R R R R eceived data: eceived data: eceived data: eceived data: eceived data:
Mark = OFF = Logic "1" = -25V to -3V
Space = ON = Logic "0" = +25V to +3V
Clear to send: Clear to send: Clear to send: Clear to send: Clear to send:
Busy = OFF = Logic "1" = -9V
Not Busy = ON = Logic "0" = +9V
T T T T T ransmitted data: ransmitted data: ransmitted data: ransmitted data: ransmitted data:
Mark = OFF = Logic "1" = -9V
Space = ON = Logic "0" = +9V
1. Connectors
On the printer: 25-hole receptacle
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DESCRIPTION DESCRIPTION
DESCRIPTION DESCRIPTION DESCRIPTION
_ Cable Shield
Printer Data
Input Line
Printer Data
Input Line
Signal Ground
_
Signal
(Equivalent to Busy) indicating
that printer is ready for
operation and can receive data.
oltage L oltage L evels evels
oltage L oltage Levels evels evels
13
25
Handshake is used
for serial interface only.
1
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D D D D D A A A A A T T T T T A BITS A BITS A BITS is the next parameter. Choose the A BITS A BITS
Data Bits
data bit value the same way baud rate was
chosen. Choices are 7 or 8 data bits.
Parity can be selected only if 7 data bits are set.
Parity
Choose Odd, Even or None.
Stop Bits ST ST ST STOP BITS ST OP BITS OP BITS OP BITS is the next parameter. Choose 1 or 2 OP BITS
stop bits.
H H H H H ANDSHAKE ANDSHAKE ANDSHAKE
Handshake ANDSHAKE ANDSHAKE is the next parameter. Choose
from the following settings:
BUSY-LINE
BUSY-BUFFER
XON/XOFF-LINE
XON/XOFF-BUFFER
NONE
Cols COL COL COL COL COLUMNS UMNS is the next parameter. Select the UMNS UMNS UMNS
number of characters per line (columns) for this
parameter. The choices you have are 24, 32, or
40. Below are samples of each:
Invert INVER INVERT T T T T is the next parameter. Choose YES if INVER INVER INVER
you want inverted text (upside down) or NO if
you want non-inverted text (right side up) in your
printouts. Below is an example of inverted text.
Font FONT is the next parameter. Choose from a 5 x FONT FONT FONT FONT
5 dot matrix print pattern or a 5 x 8 dot matrix
pattern. The 5 x 5 dot pattern produces only
upper case (capital) letters.
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