Version “2” Pin Assignments for Parallel Communication
The version “2” scanner head cable is terminated with a male 
The version “2” scanner is designed to be used for Parallel communication.
The following is a list of the pin assignments. The pin numbers are impressed on the head cable’s connector.
| Pin | Function | 
| 1 | AC Shield Ground | 
| 2 | |
| 3 | |
| 4 | CTS Input | 
| 5 | RTS Output | 
| 6 | Reserved | 
| 7 | Signal Ground | 
| 8 | Reserved | 
| 9 | Edit Check | 
| 10 | EOT | 
| 11 | Data Ready | 
| 12 | Adaptor Ready | 
| 13 | Earth Ground | 
| 14 | Power Ground 1 | 
| 15 | Light Pen Source | 
| 16 | Light Pen Data | 
| 17 | Data 1 | 
| 18 | Data 2 | 
| 19 | Power (11 - 30 volts) DC | 
| 20 | DTR Input | 
| 21 | Data 3 | 
| 22 | Data 4 | 
| 23 | Data 5 | 
| 24 | Data 6 | 
| 25 | Power Ground 2 | 
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