GE Brivo OEC 715 - Page 87

System Overview
2-33
Signals connected to motherboard
Name
Description
Pin
Attribution
Scale
Comment
+5V_DB
+5V from MCB
DB15-1
Power
+5V
-
GND_PS1
GND from MCB
DB15-2
Ground
GND
-
SPI_CLK
Provide MAX6954 &MAX7301 work clock
DB15-3
Digital
38KHz
-
SPI_CS2
MAX7301 select signal
DB15-4
Digital
0/15V
0V=effective
SPI_MOSI
Communicate with MCB
DB15-5
Digital
0/15V
-
DB_INT
MAX6954 interrupt signal
DB15-6
Digital
0/15V
0V=effective
GND_PS1
GND from MCB
DB15-7
Ground
GND
-
INTERLOCK_B
Interconnect with INTERLOCK_A
DB15-8
Passive
-
-
+15V_DB
+15V from MCB
DB15-9
Power
+15V
-
+5V_DB
+15V from MCB
DB15-10
Power
+5V
-
GND_PS1
GND from MCB
DB15-11
Ground
GND
-
SPI_MISO
Communicate with MCB
DB15-12
Digital
0/15V
SPI_CS1
MAX6954 select signal
DB15-13
Digital
0/15V
0V=effective
INTERLOCK_A
Interconnect with INTERLOCK_B
DB15-14
Passive
-
-
LED _YELLOW_N
fluoro indicator
DB15-15
Digital
0/15V
0V=effective