Designers And Manufacturers Of Telecommunications Test Equipment
| Ringing Generators :- | ||
| Ringing Test Generator RTG-1 | Variable voltage, variable frequency, programmable cadence | |
| Ringing Test Generator RTG-2 | Fixed voltage, fixed frequency, programmable cadence | |
| Feeding Bridges :- | ||
| Feeding Bridge FB-1 | 50v / 40mA inductor fed Feeding Bridge | |
| Feeding Bridge FB-2 | TBR21 / TBR38 Feeding Bridge | |
| Transmission Bridge TB-1 | 50v / variable current, constant current-fed bridge | |
| Artificial Lines :- | ||
| Artificial Line AL-1 | Switch selectable line lengths to 7.9km | |
| Artificial Line AL-2 | Switch selectable and computer controlled line lengths to 7.9km | |
| Tone Generators :- | ||
| Supervisory Tone Generator STG-1 | Dial, busy, ring, information, etc. | |
| DTMF Tone Generator DTMF-1 | Keypad entry, variable twist, level, pause, etc. | |
| Cadence Generators :- | ||
| Cadence Generator CG-1 | Programmable cadence, 10 cadence memory, pulse and relay output | |
| Exchange Simulators :- | ||
| Exchange Simulator SLS-1 | Complete exchange simulation, plus parameter measurements | |
| Caller ID :- | ||
| Caller ID Tester CLIP-1 | Discontinued Sorry | |
| Pulse Measurement :- | ||
| Pulse Period Counter PPC-1 | Measures dc pulse widths and ac envelope periods | |
| REN Testing :- | ||
| REN Test Module RTM-1 | Provides all the passive components for the BS6305 REN Test | |
| REN Booster :- | ||
| Ring Generator RG1-c | Allows the 'phone line to ring more than the normal number of bells | |