Rs232 Interface Module - ADEMCO Galaxy 16 Engineer's Manual

RS232 Interface Module

The Smart PSU has two separately fused regulated 12 V d.c. outputs, each
capable of supplying 1.5 A to additional modules and devices. A fused
regulated voltage is also supplied to charge a 12 V lead-acid stand-by battery.
For further information refer to the Galaxy Smart Power Supply Unit Installa-
tion Instructions (Part Number: L101).
The default functions of each Smart PSU output when connected to a Galaxy
16/16 plus control panel, are shown in Table 2.4 Smart PSU Output Default
Functions.
Table 2.4 Smart PSU Output Default Functions.
RS232 Interface Module
The Galaxy RS232 module provides full duplex serial communication between
the Galaxy 16/16 plus control panels and PCs or serial printers. This module has
three main functions:
• Copy and overwrite the control panel programming.
• Interface with a PC.
• Interface with a serial printer.
B A – +
SW 2
(Tamper)
Link 1 (Cut to enable tamper)
O u p t t u N . o D e a f
1
2
3
4
B A + – S
LINE 12 V
LD1
S1
JP1
IC2
IC3
PROM1
IC3
SW1 (MEM BK)
Figure 2.3 RS232 Interface Module.
22
u t l F u n t c o i n
i F e r
P A
t n I u r d r e
S t e
IC1
SW3 (Copy)
LD3
(Copy)
SW4 (Overwrite)
25 Way
Sub-D type
RS232 Connector
LD4 (Overwrite)