FAA-E-1153 REV C
VOICE FREQUENCY SIGNALING SYSTEM
active, Most Current
| Organization: | FAA |
| Publication Date: | 20 March 1968 |
| Status: | active |
| Page Count: | 13 |
scope:
The equipment specified herein consists of a voice frequency signal sending terminal and a voice frequency signal receiving terminal which provides three (3) to six (6) signaling functions from the sending terminal to the receiving terminal when connected together with a voice frequency telephone circuit.
Document History
FAA-E-1153 REV C
March 20, 1968
VOICE FREQUENCY SIGNALING SYSTEM
The equipment specified herein consists of a voice frequency signal sending terminal and a voice frequency signal receiving terminal which provides three (3) to six (6) signaling functions from the...