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10/08

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    93-1311-01

 

REV: B

Daisy-Chaining KeyPads (AxLink)

To daisy chain the KeyPads with AxLink, both KeyPads would be connected to the AxLink 
bus, and the RS232 is left unused. Either method can be used, but not a mixture of both.

Button Layout

FIG. 5 indicates the button layout for 8 and 16 button KeyPads: 

8-Button KeyPads can be configured for button numbers 1-8, 9-16, 17-24, or 25-32.

16-Button KeyPads can be configured for button numbers 1-16 or 17-32.

Setting DIP Switches to Assign Alternate Button Numbering

Use the 2-position DIP Switch on the rear panel of the KeyPads to specify alternate button 
numbers for each KeyPad, for cases in which you want to avoid having multiple KeyPads in 
the same system using the same button numbers.

Note

: Multiple KeyPads are allowed to share identical button numbers.

Alternate Button Numbering: 8-Button KeyPads

The DIP Switch settings for 8-button KeyPads are described in FIG. 6: 

Alternate Button Numbering: 16-Button KeyPads

The DIP Switch settings for 16-button KeyPads are described in FIG. 7: 

Button Labelling

NOVARA ControlPads and KeyPads come with a set of clear plastic Key Caps, which are 
designed to fit tightly over the pushbuttons, and allow you to place a label on each button 
according to the requirements of your particular installation.
NOVARA ControlPads and KeyPads also come with a pre-printed acetate sheet with a 
range of 50 (pre-cut) button label inserts. The button labels provided will accommodate 
most installations, but it is also possible to print your own button labels on acetate for 
custom button labelling. 

Installing Acetate Button Labels and Key Caps - READ THIS FIRST!

1.

Punch out the desired Button Label from the included acetate sheet.
If you have printed your own custom button labels on acetate, cut each button label 
to fit inside the Key Caps. 

Custom button labels must be cut to a 

1.20cm (0.472") square

 to fit securely inside 

the Key Caps.

The thickness of the acetate used must not exceed 

.004”

 (

0.10 mm).

2.

Place the Key Cap face-down, and insert the Button Label into the bottom of the Key 
Cap (FIG. 8). 

Orient the Button Label inside the Key Cap so that the two clips are located on the 

left and right sides of the readable text on the Button Label, as indicated in FIG. 8.

Be sure to place the Button Label face-down inside the Key Cap (see FIG. 8), other-

wise the label will be seen in reverse once the Key Cap is installed.

3.

Install the Key Cap on the pushbutton (FIG. 9): 

Note

: Verify that the vertical orientation of the Button Label is correct relative to the keypad.

a.   Gently press the bottom of the Key Cap (no clip) onto the pushbutton. 

Do not allow the clips on either side to engage

.

b.   With the bottom of the Key Cap secured, gently press the top of the Key Cap. 

This action will engage both clips simultaneously, and the Key Cap will snap into 
place on the push button.

Note

: Be careful to follow these procedures closely - the bottom of the Key Cap must be 

installed on the pushbutton before the Key Cap clips engage, or there is a risk of the button 
being misaligned.
Removing the Key Caps requires additional steps - refer to the NOVARA ControlPads 
Operation/Reference Guide for details on Replacing Button Labels/Key Caps.

Setting the AxLink Address DIP Switch

The AxLink Device Address DIP switch determines whether this KeyPad will function as an 

AxLink

 device or as a Serial device.

If the DIP Switch is set to anything other than zero, this KeyPad will be assigned an AxLink 
device address based on the switch settings.

Setting the AxLink Device Address

1.

If connected, disconnect the power supply.

2.

Locate the 8-position Device DIP switch on the rear panel.(FIG. 10). 

3.

Set the DIP switch according to the switch values shown below.

The device number is set by the total value of DIP switch positions that are ON (up). 
As an example, the first DIP switch in FIG. 10 defines device number 129 
(1+128=129).   

If you later change the device number, remove and reconnect the AxLink power connector 
to enter the new device number into memory. Use AMX’s Dip Switch2 application (available 
for download from www.amx.com) to assist in calculating Dip switch position values. 

Additional Documentation

Refer to the NOVARA ControlPads Operation/Reference Guide (available at 
www.amx.com) for additional installation details, configuration and RS232 control 
instructions.

FIG. 5  

KeyPads Button Layout

FIG. 6  

DIP Switch Settings - Alternate Button Numbering: 8-Button KeyPads

FIG. 7  

DIP Switch Settings - Alternate Button Numbering: 16-Button KeyPads

FIG. 8  

Placing a Button Label inside a Key Cap

1

2

3

4

5

6

7

8

15

13

14

12

16

9

10

11

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

1

2

ON

1-8

9-16

17-24

25-32

1

2

ON

1

2

ON

1

2

ON

Switch 1-down / Switch 2-down = Buttons 1-8

Switch 1-up / Switch 2-down = Buttons 9-16

Switch 1-down / Switch 2-up = Buttons 17-24

Switch 1-up / Switch 2-up = Buttons 25-32

1

2

ON

1-16

17-32

1

2

ON

Switch 1-down / Switch 2-down = Buttons 1-16

Switch 1-down / Switch 2-up = Buttons 17-32

Acetate Button Label

Key Cap (face-down)

Clip

Clip

(face down)

FIG. 9  

Placing a Button Label inside a Key Cap

Switch

1

2

3

4

5

6

7

8

Value

1

2

4

8

16

32

64

128

FIG. 10  

Example Device DIP Switches

Clip

Clip

Pushbutton on keypad

Key Cap

 - tilted so that the bottom

of the Cap is placed on the bottom

of the pushbutton first

At this point, do not allow the clips

on the sides of the Key Cap to engage

Press the top of the Key Cap

down to engage both clips at

once, securing the Key Cap 

to the pushbutton

Once the clips are engaged,

the Key Cap is secured

to the pushbutton

1

2

3

5

6

ON

7

8

1

2

3

4

5

6

ON

7

8

1

2

3

4

Device Address = 129

Device Address = 0 (XPort)

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