AT&T 3B2 Off-Line Diagnostic Manual page 487

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Phase Descriptions
Test N'umbers: 14 and 15
Function: These tests confirm that the Low Battery (LOWBA T) Alarm bit of the CSR can
be set and cleared.
Procedure: Set the LOWBAT Alarm bit of the CSR. Read the CSR confirming that it is set.
Clear the bit by reading the' clr-Iowbat' bit of the CSR. Read the CSR
confirming that the bit is cleared.
Hardware Tested: The AIC CSR is tested.
Data Returned: The failing test number (last number displayed on the system console prior to
failure) is returned.
Notes: None
Test Numbers: 16 and 17
Function: These tests confirm that the TTL Input 2 (EXTTL2) bit of the CSR can be set
and cleared.
Procedure: Set the EXTTL2 bit of the CSR. Read the CSR confirming that it is set. Clear
the bit by reading the' clr_ttl21' bit of the CSR. Read the CSR confirming that
the bit is cleared.
Hardware Tested: The AIC CSR is tested.
Data Returned: The failing test number (last number displayed on the system console prior to
failure) is returned.
Notes: None
Test Numbers: 18 and 19
Function: These tests confirm that the TTL Input 1 (EXTTL1) bit of the CSR can be set
and cleared.
Procedure: Set the EXTTL1 bit of the CSR. Read the CSR confirming that it is set. Clear
the bit by reading the' clr_tt111' bit of the CSR. Read the CSR confirming that
the bit is cleared.
Hardware Tested: The AIC CSR is tested.
Data Returned: The failing test number (last number displayed on the system console prior to
failure) is returned.
Notes: None
REMOTE MANAGEMENT DIAGNOSTICS 10-5