| AC VOLTAGE RATING | 115.000 VOLTS NOMINAL AND 230.000 VOLTS NOMINAL 1ST OPERATING POWER RQMT |
| CHANNEL FREQUENCY SEPARATION | 100.0 HERTZ |
| CHANNEL FREQUENCY RANGE IN HERTZ | +425.0 TO 1615.0 |
| CHANNEL TYPE AND QUANTITY | 4 TRANSMITTING AND 4 RECEIVING |
| FREQUENCY RATING | 50.000 HERTZ NOMINAL AND 60.000 HERTZ NOMINAL 1ST OPERATING POWER RQMT |
| LINE TERMINATION TYPE | TWO-WIRE |
| LOOP ACTUATION CURRENT TYPE | DC |
| LOOP OPERATION TYPE | HALF DUPLEX OR FULL DUPLEX |
| LOOP SELECTION DEVICE | SWITCH |
| OVERALL HEIGHT | 16.875 INCHES NOMINAL |
| OVERALL LENGTH | 36.250 INCHES NOMINAL |
| OVERALL WIDTH | 20.625 INCHES NOMINAL |
| MULTIPLEXING METHOD | FREQUENCY DIVISION |
| NONDEFINITIVE SPEC/STD DATA | AN/TCC-20 TYPE |
| PHASE | SINGLE 1ST OPERATING POWER RQMT |
| TOTAL CHANNEL QUANTITY | 4 |
| TRANSMITTING SPEED | 100 WORDS PER MIN |