© 2020 Carrier 1 / 2 P/N 3100989-EN • REV 012 • ISS 10AUG20
PT-1S Fire Alarm Printer
Installation Sheet
Description
These installation instructions are for the PT-1S printer models listed in
Table 1.
Table 1: Models
-1S Printer, serial/USB, 120 V
-1S-220 Printer, serial/USB, 220 V
-PRT/S Printer, serial/USB, 120 V
PT-1S printers use standard, continuous feed, fanfold paper, and
provide serial and USB cable connections. The paper can be fed from
the rear or from the bottom of the printer.
Each printer is shipped with the following:
• A power cord
• A ribbon cartridge
• A paper separator
• A platen knob
• A CD containing print drivers and user documentation
• A DB-25P connector and hardware for making field wiring
connections to control unit serial ports
• A DTK-DL120/240 surge protective device (220V model only)
Note: Printer cables are not included with the printer and must be
purchased separately.
Configuring the serial interface
The printer’s serial interface default settings are as follows:
Default settings Permissible settings
None None, Even
8 bits 8 bits
Ready/Busy Ready/Busy [1],
X-ON/X-OFF [2]
No No
SSD– DTR
9600 bps 9600, 4800, 2400, 1200
Default settings Permissible settings
Valid Invalid
Ready on Power Up Ready on Power Up
200 ms 200 ms
[1] For supervised printers
[2] For unsupervised printers
Instructions for configuring serial interface settings are provided below.
For more information, refer to the printer manufacturer’s
documentation and the control unit documentation.
Notes
• If the printer and a CDR-3 module share the same serial port
connection, configure both to match the control unit’s serial
interface baud rate and parity settings. For more information, refer
to the control unit documentation.
• Load paper into the printer before performing the instructions
below.
To configure the serial interface:
1. Press and hold the SELECT button at the same time you turn on
the printer.
Press the SELECT button again to print the current settings.
2. Press the LINE FEED button until the printer prints the following:
Serial I/F Parity None
To change the parity setting, press the TOF SET button until the
printer prints the required parity.
3. Press the FORM FEED button until the printer prints the following:
Serial I/F Protocol Ready/Busy
For an unsupervised printer connection, press the TOF SET button
until the printer prints the following:
Serial I/F Protocol X-ON/X-OFF
4. Press the FORM FEED button until the printer prints the following:
Serial I/F Busy Line SSD-
Press the TOF SET button until the printer prints the following:
Serial I/F Busy Line DTR
5. Press the FORM FEED button until the printer prints the following:
Serial I/F Baud rate 9600 bps
To change the baud rate setting, press the TOF SET button until
the printer prints the required baud rate.
6. Press the FORM FEED button until the printer prints the following:
Serial I/F DSR Signal Valid
Press the TOF SET button until the printer prints the following:
Serial I/F DSR Signal Invalid
7. Press the FORM FEED button until the printer prints the following:
Serial I/F DSR Signal Ready on Power up
Press the TOF SET button until the printer prints the following:
Serial I/F DSR Signal Ready on Select
8. Press the PITCH and the MODE buttons at the same time to save
your settings and exit Menu Mode.
