Technical Manual

Technical Manual AM Systems
Connections v4.4 Page 27 of 72
TRX PCB Components 6.10.1.1
Table 3 shows the AM TRX components and a description of their function.
Component
Function
ANT BOT1
ANT BOT2
Bottom transmitter/receiver antenna loop
Bottom signal suppression loop
ANT TOP1
ANT TOP2
Top transmitter/receiver antenna loop
Top signal suppression loop
B2
Push button
B3
Push button
BAT
Backup battery for
internal clock.
BL1
LED indicator. Blinks during start
-
up of the TRX board and
in case the TRX board has no connection with a host when
connected to the Field Bus. Lights up continuously when a
connection with a host has been established.
BUS A
Field Bus A connector for RJ45 connection. Allows the
board to be connected in the Field Bus structure.
BUS A1
Analogue connection to the receiver. Relates to BUS A
connector.
BUS B
Field Bus B connector for RJ45 connection. Allows the
board to be connected in
the Field Bus structure.
BUS B1
Analogue connection to the receiver. Relates to BUS B
connector.
BUZZER
On
-board buzzer for alarm notifications
D8
LED indicator. Lights up when a power supply is connected
and switched on.
I/O’s
Programmable input/output. Allows connection of external
devices like camera’s, push buttons, buzzers, etc.
LEDs
LED array, indicates various system settings.