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(2) COM1_COM2(9-pin Block): Serial Port
COM1: RS232/422/485 Serial Port; COM2: RS232 Serial Port only.
The pin assignment for RS-232/ 422/ 485 is listed as follows:
COM1:
RS232/422/485
COM2:
RS232
COM1 port can function as RS232/422/485 port. In normal settings COM1 functions as RS232 port.
With compatible COM cable COM1 can function as RS422 or RS 485 port. User also needs to go to
BIOS to set 'Transmission Mode Select' for COM1 at first, before using specialized cable to connect
different pins of this port.
(3) ATXPWR (24-pin Block): ATX Power Connector
1 2 3 4 5
6 7 8 9
ATX Power
Connector
13
ROW2
Pin1-
ROW1
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