Bosch B6512 Installation Manual page 79

Control Panels
You can wire modules via home run, daisy chain, or single level T-tap anywhere on the SDI2
bus.
SDI2
Device Bus
R Y G B
AUX
1 COM 2
- 12 V +
COM AUX R Y G B 1 COM
PWR A B COM
Figure 18.7: 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
Bosch Security Systems, Inc.
ON-BOARD POINTS
Voltage Ranges
C
Open 3.7 - 5.0 VDC
OUTPUT
Normal 2.0 - 3.0 VDC
B
Short 0.0 - 1.3 VDC
1 k End of Line Resistors
3 COM 4 5 COM 6 7 COM 8
2 3 COM 4 5 COM 6 7 COM 8
Installation Manual
System wiring diagrams | en
2017.04 | 15 | F.01U.287.180
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