ATS1801 Serial Computer and Printer Interface
Installation Sheet
EN DA DE ES
FI
FR
EN: Installation Sheet
Mounting the unit
Power must be disconnected from the ATS control panel
before the ATS1801 is plugged in.
Plug the ATS1801 computer and printer interface into J11 on
the ATS control panel board and secure them by M3 screws
supplied.
The J4 ISP connector is for factory use only.
Connections ATS1801 port A (computer)
ATS1801
Computer
TX
->
RX
RX
->
TX
CTS
->
DTR (READY)
RTS
Not connected
GND
->
GROUND
RTS
Link
CTS
Shield
Connections ATS1801 port B (printer)
ATS1801
Printer
TX
->
RX
RX
Not connected
CTS
->
DTR (READY)
RTS
Not connected
© 2019 UTC Fire & Security Americas Corporation, Inc.
IT
NL NO PL PT SV
J2
TX RX CTS RTS GND
Port B
DB25 (supplied)
or DB9
3
2
2
3
6, 8, 20
1, 4, 6
7
5
4
7
5
8
1
DB25 (supplied)
or DB9
3
2
20
4
ISP
J4
+ 1 2
TX
RX CTS
RTS
GND
V
Port A
ATS1801
Printer
GND
->
GROUND
RTS
Link
CTS
Cabling requirements
4-Core shielded RS232 data cable is used to connect port A or
port B to the computer and printer (not twisted pair) — for
example, WCAT 52/54. Maximum cable length is 15 meters.
CTS – port B (printer)
The CTS (Clear To Send) terminal signals the control panel the
printer is ready to receive data (from printer DTR, Data
Terminal Ready).
The ATS1801 will not generate any printer data output on port
B unless the CTS terminal is high (+8 to +11 VDC).
If the ATS1801 is programmed to print correctly and no printout
is occurring, check the voltage on the CTS terminal. If it does
not read high, then check the cabling and the printer's DTR
output settings.
Programming
Printer output
The ATS1801 printer port B can be programmed to provide a
real-time printer output, or to print history alarm events stored
in memory, back to a specified date as required. Baud rate and
data format options can also be selected.
1 / 14
DB25 (supplied)
or DB9
7
5
4
7
5
8
P/N 1070013 (ML) • REV C • ISS 05JUL19