4Vanderbilt Installation & Configuration Manual A6V1027695901.05.20166.3.3 Installing the batteries .........................................................................536.4 Mounting a keypad .............................................................................................546.5 Mounting an expander ........................................................................................547 Smart PSU .........................................................................................................557.1 SPCP355.300 Smart PSU ..................................................................................557.1.1 Supervised Outputs.............................................................................577.1.2 Batteries ..............................................................................................587.1.2.1 Installing Batteries ...............................................................................587.1.2.2 Testing Battery Voltage .......................................................................607.1.2.3 Deep Discharge Protection .................................................................607.1.2.4 Battery Stand-By Times ......................................................................607.1.3 Wiring the X-BUS Interface .................................................................607.1.3.1 Wiring the Inputs .................................................................................617.1.3.2 Wiring the Outputs ..............................................................................627.1.4 Compliance with NF and A2P approvals ............................................637.1.5 PSU LED Status ..................................................................................647.1.6 System Recovery ................................................................................658 Controller hardware .........................................................................................668.1 Controller Hardware 42xx\43xx\53xx\63xx .........................................................668.2 Controller Hardware SPC5350 and 6350 ...........................................................699 Door Expander ..................................................................................................7110 Wiring the system .............................................................................................7210.1 Wiring the X-BUS interface ................................................................................7210.1.1 Loop configuration...............................................................................7310.1.2 Spur configuration ...............................................................................7410.1.3 Star and multi-drop configuration ........................................................7510.1.3.1 Examples of correct wiring ..................................................................7810.1.3.2 Examples of incorrect wiring ...............................................................7910.1.4 Shielding .............................................................................................8010.1.5 Cable Map ...........................................................................................8110.2 Wiring of branch expander .................................................................................8110.3 Wiring the system ground ...................................................................................8210.4 Wiring the relay output........................................................................................8210.5 Wiring the zone inputs ........................................................................................8310.6 Wiring an external SAB bell ................................................................................8610.7 Wiring an internal sounder .................................................................................8710.8 Wiring Glassbreak ..............................................................................................8710.9 Installing plug-in modules ...................................................................................8711 Powering up the SPC controller .....................................................................8911.1 Powering from battery only .................................................................................8912 Keypad user interface ......................................................................................9012.1 SPCK420/421 .....................................................................................................9012.1.1 Introduction .........................................................................................9012.1.2 Using the LCD keypad interface .........................................................9212.1.3 Data entry on the LCD keypad ............................................................94