Pinouts - DTP22, CA22
The Serial Interface -
The connector used is an 8 pin-male, mini-DIN. The cable itself is of a dual 'Y' design. The other tail(s) are simply used to supply power. Pinouts follow:
| Pin# (8pin/DIN) | X-Rite Function | Mac Function |
|---|---|---|
| 1 | KB Data | HSKo |
| 2 | NC | NC |
| 3 | RXD | TxD- |
| 4 | Signal Ground | Serial Ground |
| 5 | TXD | RxD- |
| 6 | NC | NC |
| 7 | +Vin | GPI/+5V |
| 8 | NC | NC |
| Shell | Shield Ground | Shield Ground |
Power -
The power is drawn from the other tail(s) of the interface. The center pin is to receive +12v DC power. The outer ring, power ground. The power supply must be capable of delivering 10 to 16 volts clean DC power with a nominal current rating of 100 milliamps. In addition the supply must be capable of supplying a maximum current of 1.3 amps (for 3 seconds while taking readings).
