Broadata Communications LB-KP4 User manual

4 AND 8BUTTON KEYPAD
WITH RS232 INTERFACE
BCI reserves the right to make changes to the products described herein without
prior notice or consent. No liability is assumed as a result of their use or application.
All rights reserved.
©2019 Broadata Communications, Inc.
LB-KP4 / LB-KP8
USER MANUAL

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
SAFETY INSTRUCTIONS AND COMPLIANCE DECLARATION
PLEASE OBSERVE THE FOLLOWING SAFETY PRECAUTIONS
SURGE PROTECTION DEVICE RECOMMENDED
This product contains sensitive electrical components that may be damaged by
electrical spikes,surges,electric shock,lightning strikes, etc. Use of surge proctection
system is highly recommended in order to protect and extend the life of your
equipment.

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
SAFETY INFORMATION
Do not use this device near water/liquids. This device should not be exposed to dripping and
splashing or liquids.
Clean only with dry cloth.
Do not use solvents such as paint thinners and acetone to clean external casing. Such
agents will remove any labels on the device.
Do not block any fan ventilation openings.
Do not install near any sources of intense heat such as radiation, boilers, or other equipment
that produce heat
Not intended for use/storage in close proximity of critical medical supplies such as those that
might come into direct contact with patients or medical sta.
Protect the power cord from being pinched or damaged at receptacles and the point of exit
from the device.
Only use attachment /accessories specified by manufacturer. If you have any questions
about the compatibility of an accessory, contact your dealer.
In case liquid spillage on device, unplug mains power cord and contact your dealer. Continu-
ous use in this case may result in fire or electric shock.
To reduce the risk of electric shock, do not touch connectors with wet hand.
Only power with the marked voltage on the device. Any other voltage can cause fire or elec-
tric shock.
Do not use the device if an abnormality occurs. If any smoke or odor becomes apparent, un-
plug the power cord and contact your dealer. Do not try to repair the device yourself.
Avoid using physically damaged devices. If your device metal housing is seriously physically
damaged, the internal components may function abnormally. Contact your dealer.
Do not install the device in an area heavy with dust or constant high humidity. Operating the
device in this case may result in fire or electric shock.
Only use supplied power supply. For a list of other compatible medical grade power sup-
plies, contact your dealer.
Install this device in a secure location where it cannot be easily pushed or knocked over.
Use of this device is not suitable for use within 6 ft. of a medical patient.

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
TABLE OF CONTENTS
PRODUCT DESCRIPTION
OPERATION CONTROL AND FUNCTIONS
FRONT/REAR PANEL
CONNECTOR PIN OUT ASSIGNMENT
CONFIGURATION
SPECIFICATIONS
SERVICE PROCEDURE
REPLACEMENT POLICY
RETURN AND REPAIR SERVICE
LIMITED WARRANTY
5
6
6
9
10
20
21
21
21
22
1.0
2.0
2.1
3.0
4.0
5.0
5.1
5.2
6.0
7.0

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
5
PRODUCT DESCRIPTION
The LinkBridge™ 4- or 8-Button Keypad is a user-programmable control
interface that triggers control functions configured in the LBC-H/O-R-ICP.
When used in conjunction with the HDBaseT Receiver (LBC-H/O-R-ICP), the
keypad provides a convenient way to control all your connected devices.
Features include:
• 8-key (or 4-key) keypad with RS-232 interface
• Remote power over CATx Cable
• Dual-Color user configurable buttons (configured in LBC-H/O-R-ICP)
• Replaceable button labels
• Easy integration with LBC-H/O-R-ICP

6
4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
OPERATION CONTROL AND FUNCTIONS
FRONT PANEL
5
4
3
2
1
CONTROL PORT
BACK PANEL
6
MOUNTING HOLES: Mounts to a single-gang electrical box or mud-ring
LIGHT SENSOR: Sense the amount of ambient light
PROGRAMMABLE BUTTONS: Customizable keypad buttons to execute single function
or “scenes”
THREADED HOLES FOR WALLPLATE: Used to mount keypad to a wallplate
USB PORT: Used for firmware updates
CONTROL PORT: Uses a CAT-5 cable with RJ-45 termination to connect to the Control
Processor
5
6
4
3
2
1

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
7
OPERATION CONTROL AND FUNCTIONS
MOUNTING
The LB-KP8 is designed for flush-mount installations in walls or cabinets. It requires
an available mounting depth of 2.0 inches (50 mm) from the front surface of the wall.
Normally, the LB-KP8 is mounted in a standard single-gang electrical box or mud-ring.
BUTTON LABELS
The LB-KP8 includes a set of labels for attaching to the face of each button. The label
sheets include a wide variety of function names that are appropriate for most common
applications.
Procedure for attaching labels:
Faceplate Tabs
Faceplate Tabs
1. Use a small screwdriver to release the tabs (shown) and pry o the faceplate.
2. Remove the Clear Keycap
3. Center the selected button label within the rubber pocket
4. Replace the Clear Keycap
5. Repeat the steps above for each button and then replace the faceplate
Clear Keycap
Button Label

8
4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
OPERATION CONTROL AND FUNCTIONS
CONNECTIONS
The LB-KP8 connects to the LBC-H/O-R-IP using a Cat-5 cable that has an RJ-45 termination on
one end and a terminal plug termination on the other end. Terminate both ends of the CATx cable
per the cable diagram.
RS-232
Keypad
(LB-KP4 or LB-KP8)
Integrated Control Processor
LBC-H/O-R-ICP
SWITCHING TRANSMITTER
LBC-HDV-T
HDBaseT

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
9
CONNECTOR PINOUT ASSIGNMENT
Plug the terminal plug end of the cable into the connector marked C on the LBC-H/O-R-ICP.
Plug the RJ-45 plug end of the cable into the RJ-45 control port on the LB-KP8. Connect
the transmitter unit to the LBC-H/O-R-ICP (see LBC-H/O-R-ICP user manual for transmitter
installation details). Apply power to the LBC-H/O-R-ICP. The LB-KP8 will power up and the
buttons should illuminate white. If the buttons illuminate yellow, the LB-KP8 is not correctly
connected to the LBC-H/O-R-ICP. Please double check that the cable terminations on both
ends are terminated according to Diagram A.
1 2 4 8
GND BRN
RX WHT/ORG
TX ORG
+12V BLUE
Diagram A

10
4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
CONFIGURATION
The function of each button on the LB-KP8 is configured using the LBC-H/O-R-ICP web
GUI. See the LBC-H/O-R-ICP user manual for web GUI details.
In the LBC-H/O-R-ICP web GUI, go to the top menu bar. Click on Configure and then click
on System. The Configure System page will be shown. In the System panel make sure
that the Keypad Type selected is 8 button keypad.
On the top menu bar, click on Keypad. The virtual 8 button keypad page shown below will
be loaded. Each button on the virtual keypad represents a button on the LB-KP8. By default
buttons are unconfigured and labeled F1 to F8.
BUTTON CON
FIGURATION
ON THE TOP MENU
BAR CLICK ON CUS
TOMIZE AND THEN
CLICK ON 8/16
BUTTON KEYPAD.

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
11
CONFIGURATION
BUTTON CONFIGURATION
On the top menu bar click on Customize and then click on 8/16 Button Keypad. The
following Button Keypad Definition page will be loaded.

12
4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
CONFIGURATION
This page allows us to configure each button’s operating mode and to assign an action(s)
to a button. Each button can operate as a Standard button or a Toggle button, which has
two states, Press and Release. A single action or multiple actions can be assigned to
a button. An action can be a native control type such as Relay, Video Control or Audio
Control or an external control type such as RS-232, IR or Telnet.
Standard button configuration example
The following configuration sets button, F1, to turn on Relay 1.
1. In the Edit Button drop down menu, select F1.
2. Type in Relay 1 On in the Label field.
3. In the Mode drop down menu, select Standard.
4. In the Action Number drop down menu, select Action 1
5. In Spacing field enter 0.0.
6. In the Action Type drop down menu, select Relay.
7. In the Action drop down menu, select Relay 1 On.
8. Click on Submit Changes button.

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
13
CONFIGURATION
The following configuration sets button, F2, to turn o Relay 1.
1. In the Edit Button drop down menu, select F2.
2. Type in Relay 1 O in the Label field.
3. In the Mode drop down menu, select Standard.
4. In the Action Number drop down menu, select Action 1
5. In Spacing field enter 0.0.
6. In the Action Type drop down menu, select Relay.
7. In the Action drop down menu, select Relay 1 O.
8. Click on Submit Changes button.

14
4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
CONFIGURATION
To test the buttons, click on Keypad on the top menu bar. The following keypad should
be shown.
Click on the Relay 1 On button to turn on Relay 1. Click on the Relay 1 O button to turn
o Relay 1. On the LB-KP8, pressing the F1 button should turn on Relay 1 and pressing the
F2 button should turn o Relay 1.

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
15
CONFIGURATION
Toggle button configuration example
The following configuration sets button, F3, as a toggle button. The Press state turns on
Relay 2 and the Release state turns o Relay 2.
1. In the Edit Button drop down menu, select F3.
2. In the Label field type in Relay 2.
3. In the Mode drop down menu, select Toggle.
4. In the Action Upon drop down menu, select Press.
5. In the Action Number drop down menu, select Action 1
6. In Spacing field enter 0.0.
7. In the Action Type drop down menu, select Relay.
8. In the Action drop down menu, select Relay 2 On.
9. Click on Submit Changes button.

16
4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
CONFIGURATION
10. In the Action Upon drop down menu, select Release.
11. In the Action Number drop down menu, select Action 1.
12. In Spacing field enter 0.0.
13. In the Action Type drop down menu, select Relay.
14. In the Action drop down menu, select Relay 2 O.
15. Click on Submit Changes button.
To test the button, click on Keypad on the top menu bar. The following keypad should
be shown.

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
17
CONFIGURATION
Click on the Relay 2 button. Relay 2 should turn on and the button should remain
high-lighted (press state). Click on the Relay 2 button again. Relay 2 should turn o
and the button should return to normal (release state). On the LB-KP8, pressing the F3
button should turn on Relay 2 and the button should turn blue (press state). Pressing
F3 a second time should turn o Relay 2 and the button should return to white (release
state).
Standard button configuration example (RS-232 action)
The following configuration sets button, F4, to transmit an RS-232 serial string.
This configuration requires 2 steps:
1. Configure the custom RS-232 action.
2. Configure the button.
Configure the custom RS-232 action
On the top menu bar, click on Configure and then click on Action Definitions.
1. In the Action Type drop down menu, select RS-232.
2. In the Action drop down menu, select Add New Action.
3. In the Action Label box, type in RS-232 string.
4. In the RS-232 Channel drop down menu, select 1.
5. In the Transmit String box, type in serial string.
6. Click the Submit Changes button.
7. The RS-232 action, named RS-232 string, has been created.

18
4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
CONFIGURATION
Configure the button
On the top menu bar, click on Customize and then click on 8/16 Button keypad.
1. In the Edit Button drop down menu, select F4.
2. Type in RS-232 String in the Label field.
3. In the Mode drop down menu, select Standard.
4. In the Action Number drop down menu, select Action 1
5. In Spacing field enter 0.0.
6. In the Action Type drop down menu, select RS-232.
7. In the Action drop down menu, select RS-232 string.
8. Click on Submit Changes button.

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
19
CONFIGURATION
To test the F4 button, click on Keypad on the top menu bar. The following keypad
should be shown.
Click on the RS-232 String button to transmit the string serial string on RS-232
channel 1. On the LB-KP8, pressing the F4 button should also transmit the string
serial string on RS-232 channel 1.
LB-KP4 Configuration
The LB-KP4 is configured that same way as the LB-KP8. Select the Keypad Type 8
button keypad on the System Configure page when configuring the LB-KP4. Only
the first 4 keys, F1 to F4, should be configured.

4 and 8-Button Keypad with RS-232 Interface User Manual (LB-KP4 / LB-KP8)
20 SPECIFICATIONS
PHYSICAL
Dimensions 1.81”x4.07”x1.5” (16-Button)
Operating Temperature 0°C to +40°C
Storage Temperature -20°C to 60°C
Power Supply 12V, 0.5A
CERTIFICATIONS
CE, FCC
GREEN COMPLIANCE
RoHS
ORDER INFORMATION
LB-KP8 8-Button Keypad with RS232 Interface
LB-KP4 4-Button Keypad with RS232 Interface
I/O CONNECTORS
Keypad 8 or 16 Buttons
I/O RS-232, RJ-45