NAR-5620 Series
User
’
s
Manual
40
Humidity (w/o condensation)
Note 2, 4
Note 3, 5
4.3.5
Product Outlook
4.3.6
Interface Pin Assignment
There are only two connectors in this module, as shown in
Figure C.2-1
: power connector and
Serial Port connector. The power source into this module is 5 volt only. There are only three pins
used in the Serial Port interface (
Figure C.2-2
).
5
4
3
2
1
10
9
8
7
6
Pin 2: TxD Pin 3 : RxD Pin 5 : Ground
Fig. C.2-1
Power connector and serial port
connector of EZIO-100
Fig. C.2-2
Pin assignment
In other words, the Serial Port is defined as DCE. Therefore, we can use a straight-through
cable to connect it to the Serial Port of most of the computers, defined as DTE.
(1) Interface Pin Assignment
PIN NO.
PIN OUT
Description
1
NC
No connector
2
RXD
RS232 Data
3
TXD
RS232 Data
4
NC
No connector
Serial Port Connector
Power Connector
