Hexadecimal Display; Display Functions On Ntd07Ba - Nortel Meridian SuperNode SL-100 Reference Manual

Hexadecimal display

A two-digit hexadecimal display is provided on the controller card faceplate to
display card status and diagnostic test results. The following are the display
combinations that are possible while the firmware has control of program
execution.
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•
•
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•
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•
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Table 6-4 Diagnostic test codes and descriptions
Test
D0
D1
D2

Display functions on NTD07BA

The 4-digit LLED display on the faceplate of the controller card provides
status of the card while it is performing several functions. The following are
Meridian SuperNode MSL-100 Intelligent Peripheral Equipment (IPE) Reference Manual MSL14
The four decimal points are turned on when firmware has control of
program execution.
Upon power up, all segments of the digit display are lit for one second and
then turn off.
During diagnostics, one of the codes shown in table Table 9 is displayed:
If the sanity timer test passes the D0 for the power up diagnostics, the
hexadecimal display is blank. This is caused by the sanity timer when the
board is reset.
The test number of each power up or out-of-service test that fails is
displayed for one second.
C0 is displayed if clock is synchronized to port 0. C1 is displayed if clock
is synchronized to port 1. CF (clock failure) is displayed if lock cannot be
established with either port.
E1 indicates RESET message received.
E2 indicates STATUS message received.
E3 indicates TEST message received.
E4 indicates LOAD message received.
E5 indicates LOAD_CHK message received.
E6 indicates RUN message received.
Description
Power up diagnostics
Destructive out-of-service diagnostics
Nondestructive out-of-service diagnostics
Feature implementation 6-21