Old I/O Box Connections - GE KTD-405 User Manual

50 KTD-405 Keypad
User Manual

Old I/O box connections

Figure 54. Old I/O box connections for audio and nonaudio keypads
Nonaudio I/O box
RS-485 A
RD
RS-485 B
BK
12 VDC in (no polarity)
OR
12 VDC in (no polarity)
BL
RS-422 in B
GN
RS-422 in A
YL
RS-422 out B
BR
RS-422 out A
WH
BR G BL BK
O R
W Y
Audio I/O box
Data connections
RS-422 out B
BR
RS-422 out A
W
RS-422 in B
G
RS-422 in A
Y
12 VDC in (no polarity)
BL
12 VDC in (no polarity)
O
RS-485 B
BK
RS-485 A
R
Audio connections
Audio A
R
Shield (float in field)
G
Audio B
BK
R
G BK