Nortel Networks DCT1900 - Manual (Page 360)

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 + 0 0
CPU reset button
pressed CPU power–on Reset
Board power–on Reset Power–on test CPU
Power–on test all boards x + 0 + 0 0
Minimum configuration
lost Backplane Reset (SW) Power–on test all boards + + =
Board inserted in system Board power–on Reset Power–on test board + 0 0
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 + 0 0
Board Processor in loop Board watch–dog Reset
(unexpected) Power–on test board + + =
Initialization no reset NA x 0 0 0 0 0 0
Board removal NA NA NA 0 0 0 0 0 0