Advantech PPC-L60T User Manual page 17

3.7 COM port connector (CN20,CN12)
The motherboard of PPC-L60T provides two serial ports
(COM1: RS-232; COM2: RS-
232/422/485) in one DB-9 connector (COM1) and one 14-pin
dual-inline, male header. It provides connections for serial
devices (a mouse, etc.) or a communication network. You can
find the pin assignments for the COM port connector in
Appendix C.
4.6.1COM2 RS-232/422/485 setting (pin 1-6 of JP1) COM2
can be configured to operate in RS-232, RS-422, or RS-485
mode. This is done via JP1
Table 2.4: JP1: COM2 RS-232/422/485 select
PINS RS-232*
1-2 Open
3-4 Open
5-6 Closed
3.8 hernet configuration
The PCM-9373 is equipped with a high performance 32-bit
PCI-bus
Ethernet interface which is fully compliant with IEEE 802.3U
10/
100Mbps CSMA/CD standards. It is supported by all
major network operating systems.
The medium type can be configured via the
RSET8139.EXE program included on the utility disk. (See
Chapter 3 for detailed information.)
4.7.l1 100Base-T connector (CN17)
100Base-T connections are made via the on-board RJ-45
connector
4.7.2 Network boot
The Network Boot feature can be utilized by incorporating
the Boot ROM image files for the appropriate network
operating system. The Boot ROM BIOS files are included in
the system BIOS, which is on the utility CD disc.
RS-422
Open Closed
Closed Open
Open Open
RS-485