6
The ENDAT-4946i/M System Board
Function
Jumpers/Connectors
5.1Ch Speaker output Pin Header
J6
Line-In, CD-In Pin Header
J7
COM2 Box Header
CN7
COM4 Box Header
CN6
RS232 / 422 / 485 Selector for COM2
JP3, JP4
DIGITAL I/O Pin Header
J2
SPDIF Pin Header
J10
Please double-check the insertion and orientation of the LCD cable
before applying power. Improper installation will result in permanent
damage LCD panel.
Part 1: Onboard Jumpers
JP2: LCD Voltage Selector (2.0mm)
LCD power
JP2 (2.54mm)
Pin-1, 2*
+3.3V
Pin-3, 4
+5V
Pin-5, 6
+12V
Caution: Improper setting will damage LCD panel.
JP3, JP4: RS232 / 422 / 485 Selector for COM2 (2.0mm)
TYPE
JP3 (3x4/2mm)
JP4 (2x3/2mm)
RS-232 *
1-2, 4-5, 7-8, 10-11
1-2
RS-422
2-3, 5-6, 8-9, 11-12
3-4
RS-485
2-3, 5-6, 8-9, 11-12
5-6
JP5: COM1/2/3/4 Voltage Selector (2.0mm)
Voltage
COM1
COM2
COM3
COM4
+12V
1-2 7-8 13-14
19-20
R.I*
3-4 9-10
15-16
21-22
+5V
5-6 11-12
17-18
23-24
