Key Management Systems Ltd
41
|
P a g e
BUS Reader Wiring
Orange
12v (up to 100mA max).
White/Orange
0v current return.
Green
M2S - Communication BUS - Master to Slave.
Blue
S2M - Communication BUS - Slave to Master.
Brown
Mode
–
Wire to Orange 12v.
Blue / White
External speaker negative (Typical 50mA, maximum 100mA) remove if
not used.
Note:
Due to changes in the design, earlier BUS Readers with a UDN
lower than 04000161 have an alternative wiring configuration. Each
reader has its wiring version attached when shipped. Please contact
KMS Technical for more information.