PIONEERPOS CYPRUS User Manual page 15

5.2 Using RJ45 to DB9 adapter with serial port/COM port
If you are using devices with DB9 Connector, you can use RJ45 to DB9 adapter. Please see picture below:
Picture: RJ45 Male to DB9 Male adapter (P/N: 30-326F)
Table: Pin assignment for RJ45 Male to DB9 Male adapter (P/N: 30-326F)
RJ45 Male
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
5.3 Power supplied by serial port/COM port
By default, COM Port 2 does not supply power. It can be set to supply +5V or +12V power by modifying jumper setting on
JP14 on the System Board. Please see table below for JP14 jumper setting. Power will be available on Pin 1.
[Warning] If you set COM Port 2 with power, remember to put a warning label on the I/O Panel so that users will not plug
in other devices to that port.
JP14: COM2 Power Select
JP14 COM 2 JP14
DCD PIN
1-3 +5V 2-4
3-5 +12V 4-6
7-9 DCD 8-10
[Note] The setting only affects COM2 port on I/O Panel. It does not affect internal I-COM2 Port on the
motherboard.
Manual for CYPRUS (V1.0) (Atom Dual Core)
DB 9 Male
Pin 1 (Data carrier detect)
Pin 2 (Receive data)
Pin 3 (Transmit data)
Pin 4 (Data Terminal Ready)
Pin 5 (Signal ground)
Pin 6 (Data set ready)
Pin 7 (Request to send)
Pin 8 (Clear to send)
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COM 2
RI PIN
+5V
+12V
RI
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