| ELECTRICAL POWER SOURCE RELATIONSHIP | ALTERNATE OPERATING |
| AC VOLTAGE RATING | 117.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| COMMUNICATION CIRCUIT QUANTITY | 1 |
| DC VOLTAGE RATING | 26.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| FREQUENCY RATING | 60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM NAME | CONVERTER,TELEGRAPH-TELEPHONE SIGNAL |
| JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM TYPE NUMBER | CV5425/U |
| OVERALL HEIGHT | 7.250 INCHES NOMINAL |
| OVERALL LENGTH | 10.750 INCHES NOMINAL |
| OVERALL WIDTH | 10.500 INCHES NOMINAL |
| SIGNAL TYPE | RING DOWN |
| PHASE | SINGLE LOCATION NOT OTHERWISE SPECIFIED |
| RECEIVED LINE SIGNAL FREQUENCY RATING | 1.2 KILOHERTZ MINIMUM AND 1.6 KILOHERTZ MAXIMUM |
| RECEIVED SIGNAL DC VOLTAGE RATING | 26.0 VOLTS NOMINAL |
| RECEIVED SWITCHBOARD SIGNAL FREQUENCY RATING | 20.0 HERTZ NOMINAL |
| TRANSMITTED LINE SIGNAL FREQUENCY RATING | 1.2 KILOHERTZ MINIMUM AND 1.6 KILOHERTZ MAXIMUM |
| TRANSMITTED SIGNAL DC VOLTAGE RATING | 26.0 VOLTS NOMINAL |
| TRANSMITTED SWITCHBOARD SIGNAL FREQUENCY RATING | 20.0 HERTZ NOMINAL |
| SWITCHBOARD SIDE CURRENT TYPE | AC |