Laird RM024 User manual

RM024 DVK
USER’S MANUAL
VERSION 1.0
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RM024 DVK
User Manual, version 1.0
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Europe: [phone]
Hong Kong: [phone] x026
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Laird Technologies
REVISION HISTORY
Version
Revision Date
Change Description
1.0
12/20/2012
Initial Release

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CONTENTS
Revision History............................................................................................................................................ 2
Contents ....................................................................................................................................................... 3
Overview....................................................................................................................................................... 4
Hardware...................................................................................................................................................... 6
Power Switch ........................................................................................................................................................7
Jumper Usage ........................................................................................................................................................8
Interfacing the RM024 DVK to other RS232 hardware .............................................................................................9
Software ..................................................................................................................................................... 10
DVK Software Installation .......................................................................................................................................10
PC Settings Tab ......................................................................................................................................................10
Configure Tab ......................................................................................................................................................12
Range Test tab ........................................................................................................................................... 16
Test Selection ......................................................................................................................................................17
Transmit Packet Selection.......................................................................................................................................18
Test Type ......................................................................................................................................................18
Received Packet Display..........................................................................................................................................18
Timing ......................................................................................................................................................18
Test Results ......................................................................................................................................................19
Port 1/Port 2 ......................................................................................................................................................19
View Tx Packets/View Rx Packets ...........................................................................................................................19
Clear Button ......................................................................................................................................................19
Terminal/Chat Tab ..................................................................................................................................... 20
Send Button ......................................................................................................................................................20
ASCII Display ......................................................................................................................................................20
Hexadecimal Display ...............................................................................................................................................20
Clear Button ......................................................................................................................................................20
Font Button ......................................................................................................................................................21
Command Tab............................................................................................................................................ 21
Radio Buttons ......................................................................................................................................................21
Command Name Field ............................................................................................................................................21
Command Field ......................................................................................................................................................22
Optional Comments Field .......................................................................................................................................22
Received Data Port 1/Port 2 Window.....................................................................................................................22
AT Enter/Exit Command Mode ...............................................................................................................................22
Perform Reset After Completion ............................................................................................................................22
Port 1/Port 2 Buttons..............................................................................................................................................22
Send Comm ......................................................................................................................................................22
Troubleshooting ........................................................................................................................................ 23
Technical Support ...................................................................................................................................... 24
RM024 Basics and Tips............................................................................................................................................24

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OVERVIEW
This document contains information about the hardware included as part of the Laird Technologies OEM
RM024 family Developer Kit (DVK).
The RM024 DVK is designed to allow flexibility at the hardware interface level so that the RM024 DVK can be
easily interfaced to the OEM product, to a PC for performance testing, or to any other device that supports
RS232 or USB serial interfaces.
The RM024 DVK is a complete, integrated package that contains all of the hardware, software, and
documentation needed to integrate an OEM transceiver quickly and effortlessly.
There are a number of Development Kits to choose from depending on the OEM needs; the complete list is in
Table 1.
Table 1: RM024 Development Kits
Part Number
Description
DVK-RM024-S125-C
(2) RM024 SMT 125mW transceivers w/U.FL connector
(1) RS232 serial adapter board
(1) USB serial adapter board
(1) DB9 (F) to DB9 (F) RS232 cable
(1) USB cable 6 ft.
(2) 2.4GHz 1/2 dipole antennas
Laird Technologies Reference Card
DVK-RM024-S125-M
(2) RM024 SMT 125mW transceivers w/integrated antenna
(1) RS232 serial adapter board
(1) USB serial adapter board
(1) DB9 (F) to DB9 (F) RS232 cable
(1) USB cable 6 ft.
Laird Technologies Reference Card
DVK-RM024-S50-C
(2) RM024 SMT 50mW transceivers w/U.FL connector
(1) RS232 serial adapter board
(1) USB serial adapter board
(1) DB9 (F) to DB9 (F) RS232 cable
(1) USB cable 6 ft.
(2) 2.4GHz 1/2 dipole antennas
Laird Technologies Reference Card
DVK-RM024-S50-M
(2) RM024 SMT 50mW transceivers w/integrated antenna
(1) RS232 serial adapter board
(1) USB serial adapter board
(1) DB9 (F) to DB9 (F) RS232 cable
(1) USB cable 6 ft.
Laird Technologies Reference Card
DVK-RM024-P125-C
(2) RM024 Pluggable 125mW transceivers w/U.FL connector
(1) RS232 serial adapter board
(1) USB serial adapter board
(1) DB9 (F) to DB9 (F) RS232 cable
(1) USB cable 6 ft.
(2) 2.4GHz 1/2 dipole antennas
Laird Technologies Reference Card

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Part Number
Description
DVK-RM024-P125-M
(2) RM024 Pluggable 125mW transceivers w/integrated antenna
(1) RS232 serial adapter board
(1) USB serial adapter board
(1) DB9 (F) to DB9 (F) RS232 cable
(1) USB cable 6 ft.
Laird Technologies Reference Card
DVK-RM024-P50-C
(2) RM024 Pluggable 50mW transceivers w/U.FL connector
(1) RS232 serial adapter board
(1) USB serial adapter board
(1) DB9 (F) to DB9 (F) RS232 cable
(1) USB cable 6 ft.
(2) 2.4GHz 1/2 dipole antennas
Laird Technologies Reference Card
DVK-RM024-P50-M
(2) RM024 Pluggable 50mW transceivers w/integrated antenna
(1) RS232 serial adapter board
(1) USB serial adapter board
(1) DB9 (F) to DB9 (F) RS232 cable
(1) USB cable 6 ft.
Laird Technologies Reference Card

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HARDWARE
The RM024 DVK board is provided so the developer can use a standard PC interface to operate the
transceivers and to aid in system integration. It uses an RS232 or USB data format to interface to the
transceiver.
Figure 1: DVK Board with USB Connector
Figure 2: DVK Board with DB9 Connector
The LEDs located on the front edge of the board continuously show the configuration and operation of the
RM024 DVK board. Refer to Table 2 for definitions of the LEDs, and Table 3 for DB9 connector pin
assignments.

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Table 2: RM024 DVK LEDs
LED
LED Color
Purpose
B
Green
This LED illuminates when GIO_6 is low.
C
Red
This LED illuminates when GIO_4 is low.
I
Green
This LED illuminates when 9600_BAUD is high.
J
Red
This LED illuminates when GIO_7 is low.
K
Red
This LED illuminates when GIO_3 is low.
L
Green
This LED illuminates when GIO_2 is low.
M
Red
This LED illuminates when GIO_1 is low.
N
Green
This LED illuminates when GIO_0 is low.
LINK
Red
This LED illuminates when In_Range is high.
TXD
Green
This LED illuminates when TXD is low.
RXD
Red
This LED illuminates when RXD is low.
Power
Green
This LED illuminates when the POWER switch is turned on and the module is receiving
power.
Table 3: DB9 Pins
DB9 Pin
Signal Name
Description
Direction
1
DCD
Data Carrier Detect
I
2
RXD
Received Data
I
3
TXD
Transmitted Data
O
4
DTR
Data Terminal Ready
O
5
GND
Signal Ground
6
DSR
Data Set Ready
I
7
RTS
Request to Send
O
8
CTS
Clear to Send
I
9
RI
Ring Indicator
I
Note: I/O direction is relative to the PC.
Power Switch
The RM024 DVK board is equipped with a power switch. Use this switch to turn the power to the board on
and off. This power switch should be turned OFF when the USB or power supply cable is connected or
disconnected to prevent possible damage to the board.
Switch
Description
Power
When set to the OFF position, power is removed from the DVK board and the RM024
transceiver.

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Jumper Usage
The RM024 DVK board utilizes a set of jumpers to accomplish certain tasks. There are two sets of jumpers,
the J4 set and the J9 set.
Jumper Set J4
Use the J4 set of jumpers to complete the circuits that supply power to the radio. There are two jumpers and
BOTH JUMPERS MUST BE PROPERLY INSTALLED for the module to operate. A jumper MUST be installed on
J4-1 and J4-2 to supply power to the radio itself. Another jumper MUST also be installed on J4-5 and J4-6 to
supply power to the power amplifier.
Jumper Set J9
Use the J9 set of jumpers to control how the development kit board operates. Only one jumper is used with
this jumper set. There are three operational modes:
Loopback –Install the jumper on pins J9-1 and J9-2 to operate the unit in loopback mode. This means
that the radio receives data and then transmits the same data. The loop is on the serial interface of the
module and points back to the radio. This jumper is useful for range testing.
Normal Operation –Install the jumper on pins J9-3 and J9-4, to operate the unit in its normal mode.
This means that the radio operates however it is configured using the DVK software application.
Force 9600 Baud –Install the jumper on pins J9-5 and J9-6 to operate the unit only at 9600 Baud. This
is a recovery mode that is used when the user is unable to communicate with the radio. This mode
places the unit in a known operating state so the user can go in and access the programmed data via
the development software.
Table 4: J4 and J9 Jumper Pins
Jumper ID
Label
Usage
J4-1
Dig Pwr In
A jumper MUST be connected to these two pins for operation. This is the
power supply circuit for the radio.
J4-2
Dig Pwr Out
J4-3
Not Used
Not Used
J4-4
Not Used
Not Used
J4-5
PA Pwr In
A jumper MUST be connected to these two pins for operation. This is the
power supply circuit for the power amplifier.
J4-6
PA Pwr Out
J9-1
Loopback
To configure the radio for loopback operation, connect a jumper to
these two pins.
Note: You MAY NOT connect a jumper to the Normal Operation or Force
9600 Baud pins at the same time.
J9-2
Loopback
J9-3
Normal Operation
During normal operation, connect a jumper to these two pins.
Note: You MAY NOT connect to the Loopback or Force 9600 Baud pins
at the same time.
J9-4
Normal Operation
J9-5
Force 9600 Baud
To force the radio to operate at 9600 Baud, connect a jumper to these
two pins.
Note: You MAY NOT connect to the Loopback or Normal Operation pins
at the same time.
J9-6
Force 9600 Baud

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Interfacing the RM024 DVK to other RS232 hardware
The development kit serial board is a DCE (Data Communications Equipment) device. A DCE device is wired
to the interface directly with a DTE (Data Terminal Equipment) device. Typically, a DTE device is a PC, while a
DCE device is a peripheral. To interface a DCE device to other DCE device, or a DTE device to another DTE
device, a null modem is required. The null modem simply swaps pins to convert a DCE device to a DTE device,
and vice-versa. Normally, a null modem consists of a female and a male DB9 connector. A typical null modem
configuration is shown in Table 5.
Table 5: Interfacing over RS232 - Hardware Configurations
DB9 Pin
Signal Name
DCE Direction
DTE Pin
Signal Name
DTE Direction
Null Modem Female
DB9
1
DCD
O
1
I
1
4 or NC
2
RXD
O
2
I
2
3
3
TXD
I
3
O
3
2
4
DTR
I
4
O
4
6 & 1 or NC
5
GND
5
GND
5
6
DSR
0
6
I
6
4 or NC
7
RTS
I
7
O
7
8
8
CTS
0
8
I
8
7
9
RI
0
9
I
9
NC

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SOFTWARE
DVK Software Installation
Locate the OEM software folder on the Laird Technologies Website (http://www.lairdtech.com/wireless
RAMP->Product Information) as directed by the enclosed Reference Card. To install the software, run
Setup.exe and follow the installation prompts. During the installation, the software prompts the user to install
the Laird Technologies USB Driver.
Note: Installing the driver the same time as the software is recommended.
The first time the software is run, the message in Figure 3 displays:
Figure 3: First-time run of Laird DVK Software
Click OK. The software attempts to open COM1 of the PC. If there is a conflict or the port does not exist, the
software shows the port as unavailable. This error displays when one of the following conditions exists:
There is other software running that has control over the COM1 port. Locate this software and shut it
down while running “Laird OEM.exe” software.
The PC does not have a COM1 port or the port is disabled.
PC Settings Tab
The PC Settings tab is shown in Figure 4 as it appears the first time the program runs.
Select the RM024 in the Product pull-down menu. Doing this automatically selects the default baud rate of
115200. Use the Find Ports button to search Windows for existing COM ports. The ports are then available in
the drop-down for the Port1 Settings. If the desired COM port is not found, you can manually add it with the
Add Ports button. If the COM port is unavailable, you may select a different COM port can be selected in the
Port dropdown menu. TO use two serial ports, check the Enabled checkbox under Port 2 settings.

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Figure 4: PC Settings Window
Port 1/Port 2 Options
The application can control up to (2) COM ports, including virtual COM ports, which physically map to USB or
Ethernet ports. The Port dropdown menu allows selection of COM1 through COM16. An error message
displays if a port is selected that is either non-existent or already occupied by another program. When a port
selection is made, the application attempts to open the port and list its status as:
Unavailable
Open
Closed
The Port Status is located just above the Port dropdown menu and also in the status bar at the bottom of the
screen. The software may communicate with a radio if the Port Status is Open.
Although menus are shown for Baud Rate, Parity, Handshaking, Data Bits, and Stop Bits, only the Baud Rate,
Parity and Handshaking menu selections can be changed.

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Options
The application also provides the following options:
Table 6: Configurable options
Option
Description
Save Settings On Exit
When this option is enabled, the application automatically loads all
changes made to the Settings tab the next time the application is run.
Otherwise, any changes made are discarded.
Read/Write With AT Commands
When this option is enabled, the application uses AT Commands for its
read/write EEPROM functions instead of the standard configuration
commands. This checkbox should be checked at all times unless Pin 15
(CMD/DATA) is pulled Logic Low.
Auto Baud
When this option is enabled, the application scans all available COM
Ports using the most common baud rates until a radio is found. If no
radio is found or the application cannot open the port, an error message
displays. The application only uses Auto Baud when prompted by the
user after an unsuccessful read process.
Auto Archive
When this option is enabled, the application archives the EEPROM
settings for each radio after a successful write process. Although not
required, the application prompts the user to type a description of the
changes made. Auto Archive can be used to restore the radio to a
previously known working configuration.
Monitor UDP For New Devices
This option is used for legacy ConnexNet products and does not apply to
the LT2510.
Status Bar
Located at the bottom of the application window, the status bar gives the state of Port 1, RTS Port 1, CTS
Port 1, Port 2, RTS Port 2, and CTS Port 2 lines. When the text appears black, the current state is displayed.
When the text appears gray, the current state is not displayed. The text shown in the bottom status bar gives
a simplified status of the current pending software process. The software has no pending process when
“Communications Idle” is shown. On the right side of the status bar, a progress bar indicates the progress of
longer commands, such as a Find Ports or Write Radio.
About Button
Click the About button to determine the revision number of the application and the contact information for
Laird Technologies.
Configure Tab
The configure tab is used to display the 256 byte EEPROM contents. The screen is able to do this in two
formats:
GUI
Hexadecimal
The GUI format is the default display. The user may change the display by using buttons located in the lower
left corner of the application window. Click GUI View to display the data in GUI format; click EEPROM Editor
View to display the data in hexadecimal.

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Figure 5: Configure Tab
Read Radio Button
To update the Configure and EEPROM Editor View pages with the EEPROM contents of a radio currently
connected to the proper port on the PC, click Read Radio . When the radio is successfully read, a
confirmation displays as shown in Figure 6.
Figure 6: Successful Read Radio
Write Radio Button
After making changes to the controls on the Configure tab, click Write Radio to save those changes to the
radio EEPROM.

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Port 1/Port 2 Buttons
Click Port 1 for the Write Radio and Read Radio buttons to communicate through Port 1. Click Port 2 for the
Write Radio and Read Radio buttons to communicate through Port 2.
Calc Baud Button
The Baud dropdown menu includes all standard PC baud rates. In rare cases, a user may want to use a non-
standard baud rate. To do this, click on the Calc Baud button. The Calculate Baud Rate dialog box appears.
Figure 7: Calc Baud window
To calculate the settings for a particular baud rate, type the baud rate into the Desired Baud Rate text field. If
the number in the Desired Baud Rate text field is ±3% of an acceptable baud rate, the rest of the fields in the
Calculate Baud Rate automatically populate. If the baud rate is not supported by the radio, the remaining text
fields remain blank.
An example of an acceptable non-standard baud rate is shown in Figure 8. A non-standard rate being
rejected is shown in Figure 9.
Figure 8: Successful Baud Rate
Figure 9: Unsuccessful Baud Rate
Click Save to display the Actual Baud Rate in the Baud window on the Configure tab of the application. Click
Cancel to ignore these changes. The Actual Baud Rate does not always match the Desired Baud Rate.
However, the program verifies that the Desired Baud Rate is within 3% of the Actual Baud Rate (as required
by the radio).
Hex/Decimal Button
All of the text entry type boxes found on the Configure tab indicate whether the value is presented in
Hexadecimal (Hex) or Decimal (Dec). Click the indicator (Hex or Dec) to toggle between the Hexadecimal and
Decimal notation.
GUI View Button
Click the GUI View button to display a GUI representation of the 256 byte EEPROM contents of the radio.

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EEPROM Editor View Button
Click the EEPROM Editor View button to display a hexadecimal dump of the full 256 byte EEPROM resident
on the radio. The EEPROM Editor View is shown in Figure 10 as it appears after successfully reading a radio.
Figure 10: EEPROM Editor View after successfully reading radio
Load File Button
Click the Load File button to load a file previously created by this application. It can also be loaded to restore
an EEPROM to a former state.
Save to File Button
Click the Save to File button to save an EEPROM program to a file. It also allows for the current state of the
EEPROM to be restored at a later time.
Compare EE Button
Click the Compare EE button to compare two or more saved EEPROM files. This can be a very useful tool
when analyzing performance of two or more transceivers. An example is shown in Figure 11.

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Figure 11: Compare EE Window
Range Test Tab
The Range Test tab allows you to send packets of data between two radios and report the number of
successes and errors. An example is shown in Figure 12.
Figure 12: Range Test Tab

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Test Selection
There are six test options that can be selected. For each of these options, excluding Port 1 Send Only, the
DVK application performs data verification as part of the test. This means that the application sends specific
data out and the application expects a specific response to that transmission. If it does not get that specific
response, it reports an error.
Important: The ports referred to are Ports for the application, NOT the Windows communication ports.
The available selections are:
Port 1 -> Port 2 –This test selection is used when two development kits are connected to one PC. This
selection is used to send data from the radio connected to Port 1 to the radio connected to Port 2.
Port 2 -> Port 1 –This test selection is used when two development kits are connected to one PC. This
selection is used to send data from the radio connected to Port 2 to the radio connected to Port 1.
Port 1 <-> Port 2 –This test selection is used when two development kits are connected to one PC.
This selection is used to send bidirectional data from both radios connected to the PC.
Port 1 Send Only –This test selection is used when one development kit is connected to a PC. This
selection is used only to send data from the radio connected to Port 1. This would most often be used
when the remote radio is connected to a second PC and is running the Port 1 Receive Only test. There
is no data verification with this option.
Port 1 Receive Only –This test selection is used when two PCs are used with two development kits.
One development kit is connected to each PC. When this selection is made, the radio attached to the
port of PC 1 recieves data sent from the radio attached to PC 2, which is set to Port 1 Send Only. Both
PCs should be set up with the same number of bytes in the Create Data field.
Note: Initiate the test on both computers at the same time. If this is not done, there may be some errors
reported until the two radios synchronize with each other.
Port 1 Loopback –This test selection is used with two development kits and one PC. The PC is
connected to one development kit and runs the development software. The second development kit is
powered on. The radio attached to the second development kit is set up in loopback mode, using a
jumper to connect jumper pins J9-1 and J9-2. The radio attached to PC 1 transmits data to the remote
radio. The remote radio receives the data and retransmits it back to the radio attached to PC 1.
There are three typical hardware setups:
1. One radio is plugged into a serial or USB port on a PC. The second radio is plugged into a separate
power supply with a loopback adapter connected.
2. One radio is plugged into a serial or USB port on a PC. The other radio is plugged into a different
serial or USB port on the same computer.
3. One radio is plugged into a serial or USB port on a PC. The other radio is connected to a serial or USB
port on another PC.
If using two PCs for the test, the application run on both sides should have the second COM port disabled on
the PC Settings tab.

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Table 7: Example Hardware Setups
Test Selection
Port 1 Action
Port 2 Action
Hardware Setup
Port 1 -> Port 2
TX
RX
2
Port 2 -> Port 1
RX
TX
2
Port 1 <-> Port 2
TX/RX
TX/RX
2
Port 1 Send Only
TX
N/A
3
Port 1 Receive Only
RX
N/A
3
Port 1 Loopback
TX/RX
N/A
1
Transmit Packet Selection
This section allows you to select the data packet used to perform the Range Test. You may either create data
of a specified byte length or load your own text or configuration file.
Test Type
The test type allows you to select how long the test is performed. The choices are shown in Table 8:
Table 8: Test Types
Test Type
Description
Continuous
Test runs until stopped.
Timed
Test runs for a specified time period.
Number of Runs
Test runs for a specified number of runs.
Single Step
Test runs for a single step.
Break on Error
Test runs until an error occurs.
Received Packet Display
This section allows you to select how the received packets are displayed. The user is provided the following
options:
ASCII or Hexadecimal format
Packet Time Stamp
Only Display Errors
Timing
This section allows you to modify the TX and RX timing of the test.
TX Delay
This field allows the operator to change the amount of delay between transmissions
(in milliseconds {ms}).
RX Timeout
This field allows the operator to change the amount of time to allow for a packet to
be displayed.

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Test Results
The Test Results area is used to display the results of the test.
Runs
The run number is incremented every time a test is completed, whether errors
occurred or not.
Errors
This is the number of errors that occurred while the test was performed.
Percentage Good
This is the percentage of test results that were successful.
Approx
This is a display of the approximate throughput of the radio. The application uses a
rough calculation to display the amount of data transferred in bits per second (bps).
Time Remaining
This field is used to indicate how much longer the test will run. Depending on the
initial setup of the test, this field may display time or, if the test was set to run a
specific number of runs, it displays the number of runs that remain.
Port 1/Port 2
Displays the Tx or Rx activity for Port 1 and Port 2.
View Tx Packets/View Rx Packets
Allows you to switch between Tx or Rx packets in the Port 1/Port 2 display.
Clear Button
Click the Clear button to set all of the statistics and errors back to zero. This can be used while a test is
running.

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Terminal/Chat Tab
The Terminal/Chat tab is used to send small data packets between two COM ports. As data is received it is
appended to the appropriate Port window. An example of the Terminal/Chat tab is shown in Figure 13.
Figure 13: Terminal / Chat Tab
Send Button
Click the Send button to send the data in the textbox out of the selected port(s). The current user’s Windows
username is also sent with the data.
ASCII Display
When selected, newly received data is displayed in ASCII format.
Hexadecimal Display
When selected, newly received data is displayed in Hexadecimal format.
Clear Button
Click the Clear button to erases all of the text displayed in both text windows.