| CIRCUIT CONSTRUCTION TYPE | ELECTRON TUBE |
| AVERAGE LIFE MEASUREMENT | NOT RATED |
| INCLOSURE TYPE | ENCASED |
| INSTALLATION DESIGN | TOP OF CABINET/COUNTER |
| BASIC SHAPE STYLE | RECTANGULAR OR SQUARE |
| FREQUENCY PER CHANNEL | 500.0 HERTZ NOMINAL 1ST OPERATING CHANNEL |
| 700.0 HERTZ NOMINAL 2ND OPERATING CHANNEL |
| ATTENUATION IN DECIBELS | 40.0 |
| IMPEDANCE RATING PER CHANNEL | 600.000 OHMS INPUT CHANNEL |
| 50.000 OHMS OUTPUT CHANNEL |
| 600.000 OHMS OUTPUT CHANNEL |
| OPERATING CONTROL METHOD | MANUAL |
| CONTROL TYPE | LOCAL |
| INDICATOR DEVICE TYPE AND QUANTITY | 1 METER |
| EXTERNAL AC OPERATING VOLTAGE IN VOLTS | 115.0 NOMINAL SINGLE VOLTAGE |
| OPERATING AC FREQUENCY IN HERTZ | 50.0 MINIMUM SINGLE VOLTAGE |
| 60.0 MAXIMUM SINGLE VOLTAGE |
| PHASE | SINGLE |
| CONNECTION TYPE AND LOCATION | TERMINAL BLOCK W/SCREW BOTTOM |
| CONNECTION CONTACT TYPE AND QUANTITY | 14 TERMINAL BLOCK W/SCREW EXTERNAL |
| OVERALL LENGTH | 19.250 INCHES NOMINAL |
| OVERALL HEIGHT | 9.688 INCHES NOMINAL |
| OVERALL WIDTH | 17.562 INCHES NOMINAL |
| FSC APPLICATION DATA | CONVERTER,FREQUENCY SHIFT,TELETYPE AND FACSIMILE |