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Section 3
Specifications
Specifications
3 This section describes the OMEGA specifications.
Operation
OMEGA is designed to connect a remote end point device equipped with an internal modem to a head end computer when a conventional land line is not available. The interface of the modem within the endpoint device must meet PSTN and
Modem Interface
A standard
Output ring frequency: | 18 ± 2 Hz |
Ring voltage: | 70 volts peak to peak |
Maximum ringer’s equivalent: | 2.0 B |
Dial tone frequency: | 450 Hz +/- 50 Hz |
Dial tone level: | 1.0 Volts +/- 20% |
>4 ma | |
DTMF detection: | Yes |
Pulse dialing support: | Not supported |
OMEGA Operation, and Maintenance Manual | 31 |