background image

3 | Installing

1 | Overview

2.1 | Accessing the address switches

3.4 | Wiring to the control panel

1.  Use the mounting plate to mark screw locations and wire 

opening.

2.  Pull the wiring through the wire opening.

3.  Use the mounting hardware to attach to the wall. 

3.1 | Installing the mounting plate

Attach the wire to the control panel using terminals labeled R, 

Y, G, B (PWR, A, B, COM). Refer to the following illustration. 

B5512 control panel shown.

Callout ― Description

1 ― Control panel
2 ― Terminal wiring
3 ― Keypad’s wiring terminal block

1

2

3

R Y G B

1    COM    2 3    COM 

COM AUX    R     Y    G     B

PWR  A    B  COM

3  COM  4

1  COM  2

R   Y    G B

AUX

- 12 V +

1 k       End of Line Resistors

3.7 - 5.0 VDC

2.0 - 3.0 VDC

0.0 - 13 VDC

Open        

Normal  

Short

5  COM  6

R      Y      G      B 

PWR   A      B  COM

1    COM    2 3    COM 

COM AUX     R     Y    G     B

PWR  A    B  COM

3  COM  4

1  COM  2

R   Y    G B

AUX

- 12 V +

1 k       End of Line Resistors

3.7 - 5.0 VDC

2.0 - 3.0 VDC

0.0 - 13 VDC

Open        

Normal  

Short

5  COM  6

1.  Align the mounting hook openings over the mounting 

hooks

2.  Push the keyboard down.

3.  Send power to the system.

4.  Test for proper operation.

3.5 | Attaching the keypad 

CAUTION!

Remove all power (AC and battery) before making 

any connections. Failure to do so might result in 

personal injury and/or equipment damage.

Use the control panel terminals labeled R, Y, G, B (PWR, A, B, 

COM). Connect them to the keypad terminals labeled R, Y, G, B.

Keypads can be wired directly to the control panel or from 

keypad to keypad

2 | SDI2 address switches

Address switches set the address for the keypad. The control 

panel uses the address for communications. To set the 

switches, use a ballpoint pen.

1

2

1    2     3    4     5    6

ON                    DIP

To set the keypad addresses (per the control panel 

configuration), use the DIP switches. If multiple SDI2 

keypads are on the same system, each keypad must have a 

unique address. The following illustration shows the address 

switch setting for address 01. Refer to the table for keypad 

address settings for address 00 to 32.

2.2 | Setting the keypad address

1.  Insert a slotted screwdriver under the mounting plate 

(callout #1). Do not pry upwards.

2.  To release the mounting plate, push the plate towards 

the bottom of the keypad.

3.  Remove the plate. Refer to the following illustration

.

SDI2 Addr

es

s

DIP Switches ON

SDI2 Addr

es

s

DIP Switches ON

1

2

3

4

5

6

1

2

3

4

5

6

00

17

X

X

01

X

18

X

X

02

X

19

X

X

X

03

X

X

20

X

X

04

X

21

X

X

X

05

X

X

22

X

X

X

06

X

X

23

X

X

X

X

07

X

X

X

24

X

X

08

X

25

X

X

X

09

X

X

26

X

X

X

10

X

X

27

X

X

X

X

11

X

X

X

28

X

X

X

12

X

X

29

X

X

X

X

13

X

X

X

30

X

X

X

X

14

X

X

X

31

X

X

X

X

X

15

X

X

X

X

32

X

16

X

The B915 and B915I keypads are SDI2 bus devices.

The B915 function keys are labeled in English. The B915I 

function keys are labeled with icons.

Callout ― Description

1 ― Tamper switch
2 ― SDI2 wiring terminal block
3 ― Address switches

2

1

3

1    2     3    4     5    6

ON                    DIP

R      Y      G      B 

PWR   A      B  COM

COM  Z1

Callout ― Description

1 ― Retention clip
2 ― Mounting plate

3.2 | Installing the tamper screw

To provide tamper protection, install a screw into the tamper 

location shown above. 

3.3 | Wiring the keypad

1.  Connect the wiring to keypad terminals labeled R, Y, G, B.

2.  Attach the keypad to the mounting plate.

Reviews: