Table of Contents
Advertisement
(2) COM1 (9-pin Block): RS232/422/485 Port
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 (refer to
Page 30) at first, before using specialized cable to connect different pins of this port.
(3) ATXPWR(2-pin Block): Internal 12V DC-in Power Connector
MIC Connector
RS422 RX(B)
RS422 RX(A)
RS422 TX(A)
RS422 TX(B)
For RS422 Mode
For user to connect microphone.
RS485 D+(A)
RS485 D-(B)
For RS485 Mode
Pin1
Pin.
Definition
1
GND
2
+12V DC_IN
17
Advertisement
Table of Contents
