PCM-6890
6
PCM-6890 Installation Guide
BC-599/596
COM3/COM4 RI pin voltage select
(J3, J4)
The 9th pin of COM3 and COM4 (9-pin D-sub connector) can be
selected as RI, +5V, or +12V by setting J3 & J4.
COM3 RI pin setting (J4)
RI*
+5V
+12V
J4
COM4 RI pin setting (J3)
RI *
+5V
+12V
J3
*default
Clear CMOS (J1)
You can use J1 to clear the CMOS data if necessary. To reset the
CMOS data, set J4 to 2-3 closed for just a few seconds, and then
move the jumper back to 1-2 closed.
Clear CMOS (J1)
Protect*
Clear CMOS
J1
*default
1
2
3
1
2
3
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
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