Input And Output Connectors; A Pins (J1); Com1 (Com3/4) Pins (J3) - GE MAC 5500 Service Manual

Input and Output Connectors

A Pins (J1)

COM1 (COM3/4) Pins (J3)

4-24
Troubleshooting: 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.
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
MAC 5500 resting ECG analysis system
2020299-020
Table 2. A Pins (J1)
6
4
2
7
8
5
2
5
3
1
66A
6
4
3
1
67A
Revision E