Appendix E
Serial String Commands
The Sprint LC tester described in this Appendix has the ability receive
commands via the RS-232 serial port. Tests can be started or aborted, the
counters can be cleared, etc. The serial string commands option usually
replaces the PCI and BCD options discussed in Appendix D. However, it is
possible to have all three options in one Sprint LC. The RS-232
connection is explained on page 70 and 72 of the Sprint LC Owner’s
Guide. It is possible to use HyperTerminal to send the commands by
typing them on the host computer. See page 77
Command String Format
The serial string command inputs follow a specific format as illustrated in
the example below. The command must follow this format and have the
same number of characters to be recognized by Sprint LC.
Example Command: #54321-1S:ST:01[CR]
The format has five sections: The start of string character, the serial
number of the Sprint LC, the command code, the program number, and the
end of string character. The Serial number, command code, and program
number are separated with two colons “:”.
Start of String Character – #
The start of string character is a pound sign, #. The Sprint LC watches for
this character as an indication that a command is to follow.
Serial Number – 54321-1S
The first portion of the string is the serial number of the Sprint LC,
including the dash. The command serial number must match the serial
number of the Sprint LC.
Appendix 15
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