Figure 4: Infinity Circuit Board Connections (1100072 Board) - Chamberlain SENTEX Infinity Series Installation Instructions Manual

KEYPAD LIGHT
12V AC/
13.5V DC
POWER
GROUND
SCREW
CLEAR TO SEND
RS232 OUT
GROUND
RS232 IN
REQUEST TO
SEND
CLEAR TO SEND
RS232 OUT
GROUND
RS232 IN
REQUEST TO
SEND
LED A
A READER DATA 1
A READER DATA 0
+5 VDC
GROUND
+12VDC
READER
POWER
LED B
B READER DATA 1
B READER DATA 0
+5 VDC
GROUND
STATUS LINE 3
COMMON
STATUS LINE 4
STATUS LINE 1
COMMON
STATUS LINE 2
COMMON
NOR. OPEN
NOR. CLOSED
COMMON
NOR. OPEN
NOR. CLOSED
COMMON
NOR. OPEN
NOR. CLOSED
COMMON
NOR. OPEN
NOR. CLOSED
Rev C
HEATER A
TB1
J19 J18
TB2
CTS
OUT
RS232
GND
PORT 1
IN
RTS
TB3
CTS
OUT
RS232
GND
PORT 2
IN
IN
RTS
GRN
RED
TB4
LED A
A RDR 1
A RDR 0
+5VDC
GND
TB5
+12VDC
RDR
POWER
TB6
LED B
B RDR 1
B RDR 0
+5VDC
GND
TB7
STATUS 3
COM
STATUS 4
TB8
STATUS 1
COM
STATUS 2
TB9
COM
NO
NC
TB10
COM
NO
NC
TB11
COM
NO
NC
TB12
COM
NO
NC

Figure 4: Infinity Circuit Board Connections (1100072 Board)

HI LO
RED
HANDHELD
PROGRAMMER
CONNECTION
J14
REMOTE A KEYPAD
1 2 3 4 5 6 7
TB14
Doc 6001565
MONTIOR
FAN B FAN A
J17 J16
RS232 BAUD SEL
J9
TEMP SENSE
MAIN
KEYPAD
CONTRAST
ADJUSTMENT
POT
J7
REMOTE B KEYPAD
1 2 3 4 5 6 7
TB15
CLEAR
1019F6
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