RFC-1 Advanced Operation page 6.47
6.8.12 Saving and Restoring System Settings
If the RFC-1 has a data accessory attached, the system settings can be copied to the connected device. If the device
is a printer then a formatted list of the settings can be printed. If the device is a modem or terminal, software can
collect the data and store it to a file. Depending on the data format selected, the file can be printed or saved as a
backup and used to restore the system settings should it become necessary.
These commands require no special programming. Issue the command 84 from normal operating mode. The RFC-1
will respond with the prompt, “enter one digit command”.
• Enter 2 to perform a legacy data dump—all user memory is copied to the data port in a simple table
• Enter 3 to perform an annotated data dump—all user memory is copied to the data port with
descriptions
• Enter 4 to perform an save/restore data dump—all user memory is copied to the data port in a
special format
• Enter ❊ to abort this command
The command can be issued from either the local phone or from the keyboard if a terminal is attached and data mode
is active. The data stream will be sent to the data port in either case. The command has no voice mode equivalent.
Pressing the local control button or the ESC key, if a terminal is attached, will halt the memory dump. Memory is not
modified or cleared by this procedure; the contents are copied to the data port in the appropriate format. See Restore
Factory Settings to clear the system memory.
Legacy Data Dump
The legacy data dump is a simple table consisting of a starting address followed by the 8 data bytes from the next 8
memory addresses. It is included for backward compatibility. A short sample is shown below.
0000 00 03 02 00 00 03 02 00
0008 00 03 02 00 00 03 02 00
…
1016 01 00 08 00 00 03 02 00
Annotated Data Dump
The annotated data dump displays the data address range, followed by the data and a brief description of the data.
Data is ordered by address but broken down by function and displayed in variable length lines. This dump is most
informative and easiest to read. This format is the best for printing a copy of the system settings.
0000 - 0003 00 03 02 00 Channel 00
0004 - 0007 00 03 02 00 Channel 01
…
1017 – 1023 00 08 00 00 03 02 00 Memory D
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