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4.3 CMOS Clear for External RTC (JP1)
Warning:
Table 4.3: Clear CMOS / External RTC (JP1)
*Normal operation (default)
4.4 COM-port Interface
The panel PC provides three serial ports: COM1, COM 3 : RS-232 and
COM2: RS-232/422/485 (in one COM port connector).
4.4.1 COM2 RS-232/422/485 Setting (JP5)
COM2 can be configured to operate in RS-232, RS-422, or RS-485 mode.
This is done via JP5 settings.
Table 4.4: COM2 RS-232/422/485 setting (JP5)
*RS-232
RS-422
RS-485
PPC-V106 User Manual
To avoid damaging the computer, always turn
off the power supply before setting "Clear
CMOS". Set the jumper back to "Normal opera-
tion" before turning on the power supply.
2 3
1
Clear CMOS
2
10
6
14
5
13
1
9
2
10
6
14
5
13
1
9
2
10
6
14
13
1
5
9
26
2 3
1
18
17
18
17
18
17
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