Download 1.4 System Architecture

Hardware Configuration
JP1/JP2 : COM1&COM2 RI / Power Function Selection
JP1、JP2
1-2
2-3
Function
VCOM
Ring Ì
JP3 : MFG Function Selection
JP3
OPEN
SHORT
Function
MFG OFF Ì
MFG ON
JP4 : COMS Clear Jumper setting
JP4
1-2
2-3
Function
NORMAL OPERATION Ì
CLEAN CMOS
JP6 : COM1& COM2 VCOM Power Selection
JP6
1-2
2-3
Function
VCC Ì
+12V
JP7 : COM3 RI/Power Function Selection
JP7
1-2
2-3
Function
+12V
MODEM RING IN Ì
JP8 : COM3 RI/Power Function Selection
JP8
1-2
2-3
Function
+12V
MODEM RING IN Ì
JP9 : COM2 RS232/485/422 Selection
JP9
RS-232
RS-422
RS-485
Function
5-6、9-11、10-12、15-17、16-18 Ì
3-4、7-9、8-10、13-15、14-16、21-22
1-2、7-9、8-10、19-20
Ps. Pin 19、20、21、22 can be saved, but S/W should keep the COM2 RTS signal low when using
RS-422
RUBY-9717VGAR User’s Manual
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