The D8128A will not function when connected to the panel in accordance with the labels on the terminals.
The labels on the D8128A Octopopit terminals are intended for connection to a D7112 panel. When connecting to a D7212B or D9112B the D8128A Octopopit must be connected as follows:
D8128A D7212B D9112B
(1) (9) Common (23) Zonex Common
(2) (28) Zonex Out 1 (28)Zonex Out 1 or 26-Zonex Out 2
(3) (27) Zonex In 1 (27) Zonex In 1 or 25-Zonex In 2
(4) (3) + Aux power (24) Zonex Power +