Siemens TC12 Installation, Commissioning And Maintenance Handbook page 63

The remaining characters on each line are the hexadecimal representation of the
reply bytes (__ means no data) for that OTU, each line is the correct length
(number of characters) for the number of reply bytes for the OTU.
2.4.8.3 First 22 TC8 OTUs on an Instation, Key to Press '8'
This screen displays the replies received from the first 22 TC8 OTUs on an
Instation. It displays each OTUs reply on a separate line on the screen OTU 0 at
top. The format of each line is as for TC12 above.
This screen only shows the first 22 OTUs on an Instation but can be used to obtain
an indication of the health of the system.
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TC12 Installation, Commissioning & Maintenance Handbook
Page 53 Issue 10