Interlogix KTD-405 Series User Manual - Manual (Page 65)

Appendix A
Sample configurations and charts
61
Old I/O box connections
Figure 66. Old I/O box connections for audio and nonaudio keypads
Nonaudio I/O box Audio I/O box
Data connections
RS-485 A RS-422 out B
RS-485 B RS-422 out A
12 VDC in (no polarity) RS-422 in B
12 VDC in (no polarity) RS-422 in A
RS-422 in B 12 VDC in (no polarity)
RS-422 in A 12 VDC in (no polarity)
RS-422 out B RS-485 B
RS-422 out A RS-485 A
Audio connections
Audio A
Shield (float in field)
Audio B
BR G BK BL
W Y O R
R
G BK
RD BR
BK W
OR G
BL Y
GN BL
YL O
BR BK
WH R
R
G
BK