Bosch B5512 Reference Manual page 86

86 en | System wiring diagrams
You can wire modules via home run, daisy chain, or single level T-tap anywhere on the SDI2
bus.
Figure 17.7: SDI2 bus wiring recommendations (B5512 shown)
Callout ᅳ Description
1 ᅳ Control panel
2 ᅳ SDI2 device (module or keypad)
3 ᅳ Daisy chain wiring
4 ᅳ Single-level T-tapped wiring
5 ᅳ Home run wiring
Notice!
There can only be a difference of 2 volts (maximum) between the AUX power terminals of the
control panel or power supply and the device for the modules and keypads to work properly
under all conditions.
2015.07 | 12 | F.01U.287.180 Installation and System Reference Guide
Control Panel
Bosch Security Systems, Inc.