System Commands - IBM 4610 SureMark GR3 Programming Manual Supplement

5.12.1 00 - SYSTEM COMMANDS

5.12.1.1 Command Format
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BYTE BIT CONTENT
0 00 - System Commands
1 Options
10 = Fiscal Unit Test
20 = Report Current Status
40 = Fiscal Unit Power-On Reset
80 = Report Microcode EC Level
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System commands are processed as follows:
•
Fiscal Unit Test
FU test is performed and then the FU status is sent over the serial communication link.
•
Report Current Status
The FU current status is sent over the serial communication link.
•
Fiscal Unit Power-On Reset
The microcode performs a FU software POR.
•
Report Microcode EC Level
The FU status containing the microcode EC level in byte 8 (the usual FU return code byte) is sent over
the serial communication link.
If command byte 1 is different than those defined above, no processing is performed and no response is sent.
5.12.1.2 System Commands Rules
•
This command cannot be used by applications using the IBM device drivers.
It is intended for device driver use only.
TYPE LENGTH
hex 1
hex 1
hex 1
Command Set Reference — Page 143 of 183