SMF - Just Installed!
As I recall, the alpha keypads will work in any slot; but you had to have one in slot 8 to allow broadcasting of labels to other keypads.
* 8 xxxx 000 0partition and slot will be displayed i.e. 18 = partition 1 slot 8 for alpha keypads## to exitIf you have LED keypads you need to press the FIRE key to step through partition and slot which is coded in binary.