Reftek 72A-07
| Data Channel Inputs | |
| Pin | Signal |
| A | Input Channel 1 (+) |
| B | Input Channel 1 (-) |
| C | Input Channel 2 (+) |
| D | Input Channel 2 (-) |
| E | Input Channel 3 (+) |
| F | Input Channel 3 (-) |
| H | Calibration Output (+) |
| J | Calibration Output (COMM) |
| K | Ground or +12 Volts |
| L | Ground |
| Mating Connector: [MIL-C-10544] U77/U (or Nato-Nr. 5935-283-2950) | |
| Serial Port COMM (to PC) | |||
| Pin | Signal | line to PC-COM | Pin |
| A | High Speed Serial (+) | ||
| B | High Speed Serial (-) | ||
| C | Ground | --- | |
| |Bridge C to D| | |||
| D | CD/ | ||
| E | RX | --- | 3 |
| F | TX | --- | 2 |
| G | External Trigger IN | ||
| H | Event Declared OUT | ||
| J | Ground | --- | 5 |
| M | Ground | ||
| S | Ground | ||
| V | Ground | ||
| Mating Connector (COMM): [MIL -C-26482] 14-19P | |||
| Mating Connector (at PC): D-Sub 9-pin, female | |||
| Serial Port TERMINAL (to PC) | |||
| Pin | Signal | line to PC-COM | Pin |
| A | RX | --- | 3 |
| B | TX | --- | 2 |
| C | Ground | --- | 5 |
| D | Power Enable | --- | |
| |Bridge D to E| | |||
| E | Ground | --- | |
| Mating Connector (TERMINAL): [MIL-C-55116] U229/U | |||
| Mating Connector (at PC): D-Sub 9-pin, female | |||
| Power | |
| Pin | Signal |
| A | Power +12V |
| C | Ground |
| D | Ground |
| Mating Connector: [MIL-C-26482] 12-4P | |