Nera Inmarsat-c, Service Manual, Page: 26 / 228

2.3 Terminal unit, IC-215
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2.3 Terminal unit, IC-215
The terminal unit consists of PWR board (16P0211), RF CON/CPU board (16P0208A) and
TERM CPU board (16P0209).
RF CON/CPU board and TERM CPU board are communicated by RS-232C.
board, and the terminal unit such as IC-511/IB-581 has the function of TERM CPU board.
Fig.2.3.1 shows the configuration of the terminal unit.
Fig.2.3.1 Configuration of Terminal unit
Note) When changing RF CON/CPU board, use EEPROM, U15 which memorizes
the ID (Forward/Retune ID) for communication, the ENID (Fleet Net ID) for
receiving EGC Fleet Net broadcasting, DNID (Data Network ID) for the data
reporting service.
The transmitting control unit such as Nera C 10/11/12 has the function of RF CON/CPU