Dataradio Gemini PD Instrukcja serwisowa - Strona 4
Przeglądaj online lub pobierz pdf Instrukcja serwisowa dla Modemy radiowe Dataradio Gemini PD. Dataradio Gemini PD 14 stron. Mobile radio modem
The following terms are used throughout this document.
Item
DCE
DTE
GCU
Gemini/PD
HDX
RS-232
RSS
Simplex
Definitions
Definition
Data Communications Equipment. This designation defines the direction (input
or output) of the various RS-232C interface signals. Modems are always wired as
DCE. See also DTE.
Data Terminal Equipment. This designation defines the direction (input or out-
put) of the various RS-232C interface signals. Most user equipment, as well as
PCs, are wired as DTE. See also DCE.
Gemini Control Unit board
High specs mobile radio modem. PD = Parallel decode
Half Duplex. A unit which uses separate transmit and receive frequencies, but
which may not transmit and receive simultaneously.
Industry–standard interface for low speed data transfer (EIA-RS-232E).
Radio Service Software. This software allows configuration and testing of the
Gemini/PD.
A unit which uses the same frequency for transmit and receive.
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