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MSB Product List
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 :- |   | |
Exchange Simulators :- |   | |
Exchange Simulator SLS-1 | Complete exchange simulation, plus parameter measurements | |
Caller ID :- |   | |
Caller ID Tester CLIP-1 | IN DEVELOPMENT V23 and Bell Caller ID test functions | |
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 | |
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To see some more pictures of MSB products, go to the next page. |
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