Universal Portable CTEL Interface (UPCI [UHI]) control unit, location/task with code 386, 494 or 388 - GF82.70-P-5100SK
MODEL 171.4 with CODE (386) Preinstallation for "portable CTEL" UPCI telephone system
MODEL 171.4 with CODE (494) USA version
MODEL 171.4 with CODE (388) "Portable CTEL" UPCI telephone system
| Universal Portable CTEL Interface (UPCI) control unit, location | The Universal Portable CTEL Interface (UPCI) control unit (N123/1) is installed on an equipment bridge in the trunk. |
| Universal Portable CTEL Interface (UPCI) control unit, task | The Universal Portable CTEL Interface (UPCI) control unit (N123/1) converts electrical signals into optical signals and vice versa. |