Chapter 1: Installation and wiring
Vigilant VS1 and VS2 Technical Reference Manual 21
Figure 29: Printer wiring
RS-232 cable
DB-25 male
Printer
To RS-232 card
DB-25 serial port
on back of printer
LINE
FEED
FORM
FEED
TOP
SET
SELECT ALARM POWER PITCH MODE
Figure 30: DB-25 pin connections
PIN 25
PIN 1
DB-25 male
front view
Pin 7: COM (black wire)
Pin 20: DTR (green wire)
Table 5: SA-232 card to printer DB-25 connections
SA-232 card DB-25 Description
GND COM (pin 7) Black wire (ground connection)
RTS DTR (pin 20) Green wire (printer supervision)
TXD RXD (pin 3) White wire (communication)
RXD TXD (pin 2) Red wire (communication)
Computer download wiring
To install wiring to a computer:
1. If you have a connected printer, disconnect it.
2. Locate a serial port (COM port) on the back of the computer.
3. Connect the DB-9 end of the RS-232 cable to the COM port on the back of the
computer.
4. Connect the other end of the RS-232 cable to the RS-232 card.