GE MAC 3500

Revision L MAC™ 3500 Resting ECG Analysis System 4-41
2021337-036
Troubleshooting: CPU PCB Input/Output Signals
Acquisition Module, J14
Pin No. Signal
1 Power
2 Ground
3 TX+ (RS485)
4 TX- (RS485)
5 RX+ (RS485)
6 RX- (RS485)
7 NC
8 NC
9 NC
10 NC
KISS Pump, J19
Pin No. Signal
1 KISS Pump Power (12V DC)
2 NC
3 GND
4 GND
Acquisition Module, J20
Pin No. Signal
1 TX- (RS485)
2 TX+ (RS485)
3 RX- (RS485)
4 RX+ (RS485)
5 GND
6 Power 12V
7 NC
8 NC
9 NC
10 NC