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GE Medical Systems
Information Technologies
Battery Connector
Name
Description
+12VBAT
Supply Voltage from Nickel
Cadmium Battery Pack
BAT_CONN_
Battery-Pack present
(Connection to GND)
BQ_DQ
Data/Control bus from Battery-
Pack
BATT_EMPTY
Battery-Pack empty (FET to
GND is switched on, as long as
the Battery voltage is greater
than 10 V)
GND
Ground
Internal Connections
Digital PCB
Analog PCB
Connector Name D
/
EFI
Interface PCB Analog to PCB Digital / Connector DEFI
Name
Description
VCC
Supply Voltage
GND
Ground
SDA
I²C- Datasignal
GND
Ground
SCL
I²C-Clocksignal
GND
Ground
KB_CHARGE
Keyboard key line CHARGE
GND
Ground
KB_DISCHARGE Keyboard key line SHOCK
GND
Ground
HP_CHARGE
Hardpaddle key line CHARGE
GND
Ground
HP_DISCHARGE Hardpaddle key line SHOCK
GND
Ground
EN_ SHOCKA
Enable Defishock to PIC_A
Page 40 of 72
BATTERY HARDWARE INTERFACE
Servicing Manual Dash Responder V1.0
I/O-Type
Level
-
+12Vnom
I
OC
I/O
TTL
I
OC
-
0V
I/O
Level
-
+5V
-
0V
I/O
TTL
-
0V
I/O
TTL
-
0V
O
TTL
-
0V
O
TTL
-
0V
I
TTL
-
0V
I
TTL
-
0V
O
TTL
active
Pin
Nr.
-
1, 2, 3
L
7
L
5
H
4
-
8, 9, 10
Active
Pin
-
1
-
2
-
3
-
4
-
5
-
6
H
7
-
8
H
9
-
10
H
11
-
12
H
13
-
14
H
15
Revision F
2004768-001
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