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XStream‐PKG‐T™TelephoneRFModem–ProductManualv5.x00[2006.02.24]

©2006MaxStream,Inc.,ConfidentialandProprietary 17

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System Response. When a command is sent to the module, the module parses and executes

the command. Upon successful execution of a command, the module returns an “OK” message. If

execution of command results in an error, the module returns an “ERROR” message.

Multiple AT Commands. Multiple AT commands can be entered on one line with one carriage

return at the end of the line. Each command must be delimited by a comma (spaces in between

are optional). The “AT” prefix is only sent before the first command and should not be included

with subsequent commands in a line.

Exit AT Command Mode:

Send the ATCN (Exit Command Mode) Command.

[OR]

If no valid AT Commands are received within the time specified by CT (Command Mode Timeout)

Command, the RF Module automatically returns to Idle Mode.

AT Command Examples

EXAMPLE #1: Modify DT (Destination Address) parameter using the Terminal tab

The following steps show how to read & modify the destination address of a PKG-T RF modem.

1. Follow the “Hardware Setup” steps outlined on p14; then open the X-CTU program

(Start --> Programs --> MaxStream --> X-CTU).

2. Under the ‘Com Port Setup’ section of the “PC Settings” tab, select the Com Port that will be

used to connect the RF module; then select the ‘Baud’ setting that matches the module’s

baud rate. Use RF Module default values for all other fields.

3. Select the “Terminal” tab; then send the following AT commands:

Method 1 (One line per command)

Issue AT Command System Response

--- OK<CR> (Enters RF module into AT Command Mode)

ATDT <Enter> (reads & displays current destination address)<CR>

ATDT1A0D<Enter> OK<CR> (Changes DT address to 0x1A0d)

ATWR <Enter> OK<CR> (Writes new value to non-volatile memory)

ATCN <Enter> OK<CR> (Exits RF Module from AT Command Mode)

Method 2 (Multiple commands on one line)

Issue AT Command System Response

--- OK<CR> (Enters into AT Command Mode)

ATDT <Enter> (reads & displays current destination address)<CR>

ATDT1A0D, WR, CN <Enter> OK<CR> (Send multiple AT Commands)

EXAMPLE #2: Restore Defaults using the Modem Configuration tab

The following steps show how to read currently stored RF module parameter values; then restore

the RF module parameters to their factory-default states.

1. Follow the “Hardware Setup” steps outlined on p14; then open the X-CTU program

(Start --> Programs --> MaxStream --> X-CTU).

2. Under the ‘Com Port Setup’ section of the “PC Settings” tab, select the Com Port that will be

used to connect the RF module; then select the ‘Baud’ setting that matches the module’s

baud rate. Use RF Module default values for all other fields.

3. Under the ‘Host Setup’ sub-tab, enter “-“ in the ASCII text box to match the RF module’s

CC (Command Sequence Character) parameter.

4. Select the “Modem Configuration” tab; then select the Read’ button to read currently stored

parameter values of the RF module.

5. Select the ‘Load’ button, then navigate to and open the appropriate profile. Profiles carry a

“.pro” file extension and are located in the ‘Profiles’ folder of the MaxStream CD.

6. Select the ‘Write’ button to save RF module default values to non-volatile memory.