Macintosh Serial
Available on Macintosh Mac 512KE and earlier.
(at the Computer)
(at the Equipment)
9 PIN D-SUB FEMALE at the computer.
9 PIN D-SUB MALE at the mouse cable.
| Pin |
Name |
Dir |
Description |
| 1 |
GND |
 |
Ground |
| 2 |
+5V |
 |
+5 VDC. Don't use this one, it may be converted into
output handshake in later equipment. |
| 3 |
GND |
 |
Ground |
| 4 |
Tx+ |
 |
Transmit Data, positive going component |
| 5 |
Tx- |
 |
Transmit Data, negative going component |
| 6 |
+12V |
 |
+12 VDC |
| 7 |
DSR/HSK |
 |
Handshake input. Signal name depends on mode: Used
for Flow Control or Clock In. |
| 8 |
Rx+ |
 |
Receive Data, positive going component |
| 9 |
Rx- |
 |
Receive Data, negative going component |
Note: Direction is Computer relative Equipment.
| Source: |
Apple Tech Info Library, Article ID: TECHINFO-0001424
|
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13
|