
Wiring expander
Number
Description
1
Previous expander
2
Next expander
3
SPC controller
Most expanders are equipped with additional terminals 3A/3B and 4A/4B for branch expander wiring. See
on page 83 for instructions on branch expander wiring.
10.1.1 Loop configuration
NOTICE:
The SPC42xx/43xx doesn’t support loop configuration (only 1 X-BUS port).
NOTICE: All expanders/keypads are fitted with a termination jumper by default. In loop configuration
it’s imperative to have these jumpers fitted.
SPC4xxx/5xxx/6xxx – Installation & Configuration Manual
Wiring the system
© Vanderbilt 2018
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A6V10276959-d
11.2018