CNC Control | Computer 25 Pin | CNC Control | Computer 9 Pin |
DB-25 Male | DB-25 Male | DB-25 Male | DB-9 Male |
1 (Chassis ground) | (Not connected) | 1 (Chassis ground) | (Not connected) |
2 | 3 | 2 | 2 |
3 | 2 | 3 | 3 |
7 | 7 | 7 | 5 |
4 | 5 | 4 | 8 |
5 | 4 | 5 | 7 |
6 | 20 | 6 | 4 |
20 & 8 looped | 6 | 20 & 8 looped | 6 |
CNC Control | Computer 25 Pin | CNC Control | Computer 9 Pin |
DB-25 Male | DB-25 Male | DB-25 Male | DB-9 Male |
1 (Chassis ground) | (Not connected) | 1 (Chassis ground) | (Not connected) |
2 | 3 | 2 | 2 |
3 | 2 | 3 | 3 |
7 | 7 | 7 | 5 |
4 & 5 looped | 4 & 5 looped | ||
6 & 20 & 8 looped | 6 & 20 & 8 looped |
DB-25 Male | DB-9 Male | ||
1 | Chassis Ground | 1 | Carrier Detect |
2 | Transmit Data | 2 | Receive Data |
3 | Receive Data | 3 | Transmit Data |
4 | Request To Send | 4 | Data Terminal Ready |
5 | Clear To Send | 5 | Signal Ground |
6 | Data Set Ready | 6 | Data Set Ready |
7 | Signal Ground | 7 | Request To Send |
8 | Carrier Detect | 8 | Clear To Send |
20 | Data Terminal Ready | 9 | (Not Connected) |