MT SBC 01
57
MT SBC 01
Legend:
24 VA 24V AC power supply
0 VA 0V AC power supply
LP LP Incoming data line from external unit.
LM LM Data line to risers.
CH CH Free contact for call repetition.
OUT OUT N.O. contact which closes, sending
a call from the switchboard to an internal unit.
IN IN N.O. contact for special functions.
TX RX RS232 serial. Connect to a PC to download a personal
directory using software Art. 1249/A.
GND — GROUND serial RS232. Connect to Art. 1249/A
to download a personal directory from a PC.
Description of terminal block
Figure 2
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