| +5 volts +/- 5% | 350 mA typical | |
| +12 volts +/- 5% | 30 mA typical | |
| -12 volts +/- 5% | 50 mA typical | |
| Ambient temperature | 10 to 55 degrees C | |
| Relative humidity | 5% to 90% | |
| Air Movement | 30 CFM forced | |
| Altitude | 0 to 12,000 feet | |
| Threshold voltage: | 27 volts (TxD and RxD) | |
| 27 volts (Control lines) | ||
| Response time | < 10 nS | |
| Length | 9 inches | |
| Width | .5 inches | |
| Height | 4.2 inches | |
| Weight | 6.5 ounces | |