Revision B4-4
Troubleshooting: Input and Output Connectors
MAC 5000 resting ECG analysis system
2000657-002
Input and Output 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)
COM2 Pins (J5)
Table 4-1. A (J1)
Pin Name
1Data
2 NC
3 Ground
4 +5V
5Clock
6 NC
2
1
6
5
3
4
MD1322-008
Table 4-2. COM1 (J3)
Pin COM1 Signal COM3/4 Signal
1 RTS COM3 TxD
2 CTS COM3 RxD
3TxD
4 Ground
5RxD
6 DTR COM4 TxD
7 +12V
8 DSR COM4 RxD
6
3
1
8
5
4
2
Table 4-3. COM2 (J5)
Pin Name
1RTS
2 CTS
3TxD
4 Ground
5RxD
6 DTR
7+12V
8 DSR
6
3
1
8
5
4
2
MD1322-007
7
7
MD1322-007