Dialogic TX4000 PCI SS7 - Manual (Page 40)

Verifying the installation TX 4000 PCI SS7 Network Interface Board Installation Manual
Status LEDs
After the boot code LEDs become green, the status LEDs are active and indicate the
current board status as described in the following table:
LED
number Color Status when illuminated
D8 Green Timer interrupt controlled heartbeat. The LED flickers to show that the timer
interrupts are operating properly.
D9 Green Idle task controlled heartbeat. The LED flickers to show that the on-board operating
system is operational.
D12 Red The board is executing in snapshot mode: the board is resetting or txsnap is
running.
D13 ------ Reserved for internal use.
D18 Red The kernel detected a host communication error.
D19 Red A memory full condition occurred on the board.
D20 Red An unexpected exception occurred on the board.
D21 Red The kernel detected a problem. Use the cpcon utility's log command to view logged
error information. For information about using cpcon, refer to the Dialogic® TX
Series SS7 Boards TX Utilities Manual.
40 Dialogic Corporation