Installation Manual

Table Of Contents
You can wire modules via home run, daisy chain, or single level T-tap anywhere on the SDI2
bus.
7 COM 8
C
OUTPUT
B
1 k End of Line Resistors
Voltage Ranges
ON-BOARD POINTS
3.7 - 5.0 VDC
2.0 - 3.0 VDC
0.0 - 1.3 VDC
Open
Normal
Short
3 COM 4 5 COM 61 COM 2
R Y G B
SDI2
Device Bus
AUX
- 12 V +
TMPR
1 COM 2 7 COM 83 COM 4 5 COM 6
RESET
COM AUX R Y G B
PWR A B COM
B C
OUTPUT
Figure 18.7: SDI2 bus wiring recommendations (B5512 shown)
Callout Description
1 Control panel
2 SDI2 device (module or keypad)
3 Daisy chain wiring
4 Single-level T-tapped wiring
5 Home run wiring
Control Panel System wiring diagrams | en 89
Bosch Security Systems, Inc. Installation and System Reference Guide 2016.05 | 14 | F.01U.287.180