12Depending on the type of installation, work out the position in which the programmer will be situated rememberingthat the site must be:- indoors (or stored in a waterproof container if installed outdoors)- a position safe from accidental collision;- in a position which the technician can easily reach.Fastening:• To the wall, distance between centres 75 mm, using two M4 screws and relative rawlplugs (not supplied by us)• In a waterproof container using the supplied double sided adhesive tapeInterface electrical connectionWarning! The receivers must only be powered by a safety power pack. The use of non safety powerpacks could provoke damage to the system.The interface (printed circuit CS1129A/B) is fitted with an indoor container and has a 12-way terminal board with thefollowing electrical connection:12V ac/dc between binding posts 1-2 with jumper "J1" in position "B"24V ac/dc between binding posts 1-2 with jumper "J1" in position "A"The interface has four normally open relays which are marked CHA, CHB, CHC, and CHD.• According to the distance between the interface and the keyboard run the cable carrying the power to the keyboardand the serial line data.• Connect the Faston cables: FS1 black to binding post "11"; FS2 red to binding post "12" (fig. 3b)CS1129A DC0345J2P1PROG24V12VPos.APos.BJ112/24V0V1 2 3 4 5 6 7 8 9 10 11 12CH BOUTCH AOUTCH DOUTCH COUTDKS250T (-)DKS250T (+)L1 L2InterfacciaDKS250RDC0345 Description :t Code :g number :DKS250RPos. APos. B2INTERFACE BOX INSTALLATION IP20