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（2）Pin assignment of RS232C
The pin assignment of RS232C (D-sub9P connector) is as follows.
Table ９-1 RS232C pin assignment
Pin Singnal ※1) Direction Note
1 Low Battery Reception 5V output
2 RxD Reception Reception signal
3 TxD Transmission Transmission signal
4 DTR Transmission DTR signal output
5 GND ―― GND
6 Alarm Reception 5V output
7 RTS Transmission RTS signal output
8 UTL failure Reception 5V output
9 RI Reception Wakeup on MODEM
※1)
The network agent card is displayed for the DCE by the signal name that
sees from DTE (host terminal).
The cable used is straight.
The RS232C port externals and
the pin layout (D-sub9P connector)
is shown in Figure ９-3.
※ Inch screw use
Figure ９-3 RS232C port
（3）Reset switch
This switch resets the network agent card.
９-２ Dry Contact Card
Externals are shown in Figure ９-4.
Figure ９-4 Dry Contact Card
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