Connectors Pin Definition - Elo TouchSystems SRK-MPPC Series User Manual

7. COM2 RS232 / 485 / 422 Setting
Function
JP9 (1-2)
JP9 (3-4)
JP9 (4-6)
JP9 (5-7)
JP9 (7-8)
JP9 (9-10)
JP10 (1-2)
JP10 (3-4)
JP10 (5-6)
JP10 (7-8)
JP10 (9-10)
JP10 (11-12)
Note: OPEN

3. Connectors Pin Definition

CN4: Speaker & MIC Connector
Pin 1 AMP_ORL
Pin 3 GND
Pin 5 GND
CN9: CD-IN Connector
Pin 1 CDIN_L
Pin 3 CDIN_R
CN11: Power Connector For 3.5" HDD
Pin 1 +12V
Pin 3 GND
RS485
◎RS232
V
V
V
V
SHORT
Pin 2
Pin 4
Pin 6
Pin 2
Pin 4
Pin 2
Pin 4
RS422
V
V
V
V
V
V
V
V
GND
AMP_ORR
MIC1
CDIN_REF
CDIN_REF
GND
+5V
32