| ELECTRICAL POWER SOURCE RELATIONSHIP | OPERATINGOPERATING |
| COMMUNICATION CIRCUIT QUANTITY | 11 |
| DC VOLTAGE RATING | 21.5 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED21.5 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| OVERALL HEIGHT | 1.375 INCHES NOMINAL1.375 INCHES NOMINAL |
| OVERALL LENGTH | 10.250 INCHES NOMINAL10.250 INCHES NOMINAL |
| OVERALL WIDTH | 7.813 INCHES NOMINAL7.813 INCHES NOMINAL |
| SIGNAL TYPE | RING DOWNRING DOWN |
| RECEIVED LINE SIGNAL FREQUENCY RATING | 1.6 KILOHERTZ NOMINAL1.6 KILOHERTZ NOMINAL |
| RECEIVED SIGNAL DC VOLTAGE RATING | -48.0 VOLTS NOMINAL-48.0 VOLTS NOMINAL |
| TRANSMITTED SIGNAL DC VOLTAGE RATING | -48.0 VOLTS NOMINAL-48.0 VOLTS NOMINAL |
| TRANSMITTED LINE SIGNAL FREQUENCY RATING | 1.6 KILOHERTZ NOMINAL1.6 KILOHERTZ NOMINAL |
| SWITCHBOARD SIDE CURRENT TYPE | DCDC |