Kidde VS1 - Page 35

Chapter 1: Installation and wiring
P/N 3102351-EN • REV 005 • ISS 28DEC18 25
Figure 33: Computer download wiring
(1) Computer
(
2) DB-9 COM port on back of computer
(3) DB-9 female
(4) RS-232 cable
(5) To RS-232 card
Figure 34: Pin designations on female DB-9 plug (back view)
(1) Pin 2 RXD
(2) Pin 3 TXD
(3) Pin 5 COM
(4) DB-9 plug
Table 7: SA-232 card to computer DB-9 connections
SA
-232 card DB-9 Description [1]
GND
COM (pin 5) Black wire (ground connection)
RTS
- Not used
TXD
RXD (pin 2) White wire (communication)
RXD
TXD (pin 3) Red wire (communication)
[1] Wire colors refer to Model 260097 RS-232 Cable