What is the SLC loop wiring configuration for the FENWALNET 6000, and does it support Class A and Class B?
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The FENWALNET 6000 supports both Class A and Class B wiring for its single signaling line circuit (SLC) [1].
It is compatible with Class-B, Style-4, and Class-A, Style-6 or Style-7 configurations (Page 48) [1].
To configure the loop, move the SLC-Style Switch S2 on the main board to the left for Style-4 or to the right for Style-6 and Style-7 (Page 50, 52) [1].
The circuit supports up to 255 SmartOne devices with a maximum wiring resistance of 40 ohms and a maximum capacitance of 0.5 μF (Page 48, 50) [1].
While Style-4 and Style-6 do not require isolators, Style-7 requires a pair of isolator modules for every device on the loop (Page 53) [1].