GE MAC 5500

4-24 MAC 5500 resting ECG analysis system Revision E
2020299-020
Troubleshooting: Input and Output Connectors
Input and Output Connectors
The following pages detail the input/output signals for those connectors. The pin-by-
pin descriptions identify the signal names and pin outs for each connector on the
unit.
A Pins (J1)
COM1 (COM3/4) Pins (J3)
Table 2. A Pins (J1)
Pin Name
1 Data
2 NC
3 Ground
4 +5V
5 Clock
6
NC
Table 3. COM1 (COM3/4) Pins (J3)
Pin COM1 Signal COM3/4 Signal
1 RTS COM3 TxD
2 CTS COM3 RxD
3 TxD
4 Ground
5 RxD
6 DTR COM4 TxD
7 +12V
8 DSR COM4 RxD
2
1
6
5
3
4
66A
6
3
1
8
5
4
2
7
67A