Bosch B3512 - Wire Requirements

Control Panels Specifications | en 129
Bosch Security Systems, Inc. Installation Manual 2018.07 | 16 | F.01U.287.180
21.1 Wire requirements
Terminal label Terminal description Requirements
18VAC AC 18 AWG to 12 AWG (1.02 mm to 2 mm)
Earth ground 16 AWG to 14 AWG (1.5 mm to 1.8 mm)
BAT + Battery + Bosch supplied wire lead, included with control
panel..
BAT - Battery -
OUTPUT A NO Output A normally open 22 AWG to 12 AWG (0.65 mm to 2 mm)
OUTPUT A C Output A common
OUTPUT A NC Output A normally closed
COM Common
AUX + AUX power
PWR/R SDI2 power
A/Y SDI2 data bus A
B/G SDI2 data bus B
COM/B SDI2 common
1 Point 1
COM Point 1/2 common
2 Point 2
3 Point 3
COM Point 3/4 common
4 Point 4
5 Point 5
COM Point 5/6 common
6 Point 6
7 Point 7
COM Point 7/8 common
8 Point 8
OUTPUT B Output B
OUTPUT C Output C