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Technical Product Manual - DCT1900
Maintenance, Test and Maintenance Software
2-10
Maint-DCT1900/R8/mw
© 2000-2005
PO : Power–on all boards : means all boards, except the CPU + : counter increments by 1
WD : Watch–dog NA : Not Applicable 0 : counter reset
REL : Relative P : Peripheral = : not changed
ABS : Absolute BC : Board Controller
Table 2–1 Reset Counters and Error Tables
Reset Counters
CPU BC P
Action Reset type Results in
Error
Tables
cleared
P
O
W
D
R
E
L
A
B
S
R
E
L
R
E
L
System switched on
CPU power–on Reset
Board power–on Reset
Power–on test CPU
Power–on test all boards
x + 0+00
CPU reset button
pressed
CPU power–on Reset
Board power–on Reset
Power–on test CPU
Power–on test all boards
x + 0+00
Minimum configuration
lost
Backplane Reset (SW) Power–on test all boards
++
=
Board inserted in system Board power–on Reset Power–on test board
+00
Power–on/System test
Board watch–dog Reset
(expected)
Normal termination of test
Error situations:
T&M receives error
message
T&M reset/BC
T&M reset/P
Power–on test board
+
=
+
=
=
+
CPU in loop CPU watch–dog Reset Power–on test CPU
Power–on test all boards
x +0+00
Board Processor in loop
Board watch–dog Reset
(unexpected)
Power–on test board
++=
Initialization no reset NA x 000000
Board removal NA NA NA 000000