3.3 COM1 serial port connection
The terminal has an RS232 serial port (COM1) with a 9-pin female
connector located on the rear panel (see point 2 Figure 3.1 on page
1-23); the diagram below shows the pin connections for this port.
Key
NC = Reserved - do not connect
RX232 = Data reception
TX232 = Data transmission
CTS232 = Clear to send
RTS232 = Request to send
GND = Signal ground
Figura 3.4 - COM1 standard serial port connector (9-pin female
D-type) (citi1219.gif)
CAUTION
Vacant pins 1, 6 and 7 (Figure 3.4 on page 1-28) are
reserved for connecting analogue inputs (only the D70B
version, see par. 3.5 on page 1-34).
D70
1-28
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