Table 2 Keyboard Jack
DB9
Mouse/Keyboard Assignment
Pin 1 | GND |
Pin 2 | Keyboard GND |
Pin 3 | Keyboard +V |
Pin 4 | Keyboard DAT |
Pin 5 | Mouse CLK |
Pin 6 | Keyboard CLK |
Pin 7 | Mouse DAT |
Pin 8 | Mouse GND |
Pin 9 | Mouse +V |
Table 3 Parallel (LPT-1) Jack
Pin | Assignment | Signal | Pin | Assignment | Signal |
|
| direction |
|
| direction |
|
| from |
|
| from |
|
| computer |
|
| computer |
1 | Strobe | in/out | 10 | Acknowledge | in |
2 | Data Bit 0 | in/out | 11 | Busy | in |
3 | Data Bit 1 | in/out | 12 | Paper End | in |
4 | Data Bit 2 | in/out | 13 | Select Out | in |
5 | Data Bit 3 | in/out | 14 | Auto Feed XT | out |
6 | Data Bit 4 | in/out | 15 | Error | in |
7 | Data Bit 5 | in/out | 16 | Initialize Printer | out |
8 | Data Bit 6 | in/out | 17 | Select In (from Printer) | out |
9 | Data Bit 7 | in/out | 18 to 25 | Ground | GND |
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Copyright March 2003, Computer Dynamics, Inc.
All Rights Reserved
