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Sure-Fi Serial Data Bridge
Supervised inputs
The system provides for two fully transparent, four-state, supervised inputs of which the supervision input
resistance values are replicated at the Control panel inputs creating an actual wire replacement for these
inputs.
To use the inputs as supervised inputs, connect two 1K Ohm resistors at the device as shown in Figures 5 and 6
for both Normally-Open (NO) and Normally-Closed (NC) type input devices and wire to the R1 IN or R2 IN
inputs on the Serial Data Remote Interface.
Figure 5: Serial Remote Data Interface Supervised NC device resistor connections
Figure 6:
Serial Remote Data Interface Supervised NO device resistor connections
