SBC-657 User's Manual
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RS-232/422/485 Setting (JP4)
RS-232* RS-422/RS485
COM2 Ring signal select (JP1)
*default
1 2
3 4
5 6
1 2
3 4
5 6
1 2
3 4
5 6
Ring * 5V
12V
*default
Clear CMOS (JP2)
JP2 is used when CMOS data needs to be reset. To reset ,
cap 2-3 closed for few seconds, then move the jumper back
to 1-2 closed.
Normal*
Clear
1
2
3
1
2
3
1 3
4 6
7 9
10 12
1 3
4 6
7 9
10 12
*default
Summary of Contents for SBC-657
Page 17: ...SBC 657 8 SBC 657 Quick Installation GuideBC 599 596 Locating Jumpers Connectors JP2 ...
Page 18: ...SBC 657 User s Manual9 59 9 Locating Jumpers Connectors Soldering Side ...
Page 19: ...SBC 657 10 SBC 657 User s Manual9 596 Mechanical Drawing ...
Page 20: ...SBC 657 User s Manual9 59 11 Mechanical Drawing Soldering Side ...
Page 41: ......