Keypads, Keyswitches, Keyfobs And Transmitters; Keypads; B915 Basic Keypad; B920 Two-Line Alphanumeric Keypad - Bosch B5512 Reference Manual

52 en | Keypads, keyswitches, keyfobs and transmitters
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Keypads, keyswitches, keyfobs and transmitters

The system can use keypads, maintained or momentary contact keyswitches, wireless RADION
keyfobs or Inovonics transmitters, or a combination of these options to turn areas on and off.
B5512 control panels support up to 4 areas. B4512 control panels support up to 2 areas.
B3512 control panels support 1 area.
Refer to Areas and accounts, page 20 for a description of areas.
9.1

Keypads

Keypads are four-wire powered devices used to operate the system (turn areas on or off for
example) and show system status.
B5512/B4512 control panels support up to 8 keypads, in any combination of SDI2 keypad
models. The B3512 supports up to 4 keypads.
SDI2 keypads connect to the SDI2 bus on the control panel using terminals PWR, A, B, and
COM.
You can connect more than one keypad to the control panel by wiring them in parallel.
The control panel sends a trouble report if it loses communication with a keypad and a
message appears on all keypads.
All SDI2 keypads have:
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This section includes basic installation instructions for compatible keypads. For detailed
installation instructions, refer to the corresponding keypad document listed in Keypad
documents, page 12.
9.1.1

B915 Basic Keypad

The B915 Basic Keypad is an SDI2 bus compatible device. It offers the same commands and
menu structure as the other B Series intrusion keypads.
9.1.2

B920 Two-line Alphanumeric Keypad

The B920 Two-line Alphanumeric Keypad (SDI2) is an SDI2 bus compatible device. The display
shows two lines, 18 characters per line. Each keypad has 10 number keys and seven function
keys.
9.1.3

B921C Two-line Capacitive Keypad with Inputs

The B921C Two-line Capacitive Keypad is an SDI2 bus compatible device. The keypad features
capacitive keys.
Each sensor loop is assigned a point number. The keypad transmits sensor loop status to the
control panel individually. The control panel detects open, short, and normal circuit conditions
on the keypad sensor loops.
9.1.4

B930 ATM Style Alphanumeric Keypad

The B930 ATM Style Alphanumeric Keypad (SDI2) is an SDI2 bus compatible device. The
keypad features a bright five line display and eight softkeys.
2015.07 | 12 | F.01U.287.180
User-adjustable volume
Keypress tones
A nightlight feature
A display that shows system messages
A sounder that emits warning tones
Highly visible status indicators
Backlit keys, with seven configurable backlight settings ranging from 0% to 100%
Installation and System Reference Guide
Control Panel
Bosch Security Systems, Inc.