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| 3.0 Installation
8 Bosch Security Systems B.V. | 2020.03 | F01U011791-02
Figure 8: Setting the Address Switches
2 - Address switches
Figure 9: Address DIP Switches
Table 1: DIP Switch Address Settings
ON/OFF
ON ON OFF ON ON
OFF ON OFF ON ON
ON OFF OFF ON ON
OFF OFF OFF ON ON
∗
Switch 5 toggles the encoding tone ON and OFF. With
the encoding tone turned on, the keypad sounds a
beep each time a key is pressed.
Avoid injury. Do not wire
the D1255RB, D1256RB, or D1257RB
if power is applied to the control
panel.
8. Connect the flying leads on the wiring
harness (Figure 10) to the wiring terminals
on the control panel. Refer to Table 2.
Table 2: Keypad or Annunciator
Connections
D9412GV2/
D7412GV2
Terminal
32*
POWER + Red 12 VDC
31
A
Yellow Data
30 DATA BUS
B
Green Data
* Connect with at least 1.5 m (5 ft.) of 0.8 mm (22 AWG)
wire (4.3 m [14 ft.] of 1.2 mm [18 AWG] wire).
9. Feed the connector end of the wiring
harness through the opening in the back of
the enclosure base (Figure 10).
10. Secure the keypad or annunciator to its
mounting location from inside the enclosure
base by inserting screws through the
mounting holes (Figure 10).
Figure 10: Mounting the Enclosure Base
2 - Flying leads
3 - Wiring harness
4 - Opening
5 - Connector
1 2 3 4
5 6
O
N