Installation Instructions

PX/QX/RX Version 4.30 Installation Manual – Issue C
- 28 -
Serial Module
XiB Bus
Engineer Keypad
+
-AB
B+ - A
ON
1 8
Tamper
disable
RX V+ 0v TX
Address DIL Switch
8 7 6 5 4 3 2 1
1 X X X X 0 0 0 0
2 X X X X 0 0 0 1
A serial module can be
added at any time to a
powered system but must be
added to the system size
before it will operate.
The function switches only
apply to versions up to v3.20.
Function DIL Switch
8 7 6 5
Printer/PC 0 0 0 0
Printer 0 0 0 1
PC 0 0 1 0
The printer format is fixed at
1200 baud, no parity, 8 data
bits and 1 stop bit.
PC baud rate is 9600.