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Diagnostics
CBA Diagnostic
The link between the 3745 and the 3746-900 is
checked via CBA routines invoked from the 3745
MOSS console.
CBA Diagnostics from 3745 MOSS
Console: New diagnostic sections are pro-
vided to test the 3745/3746-900 interface. These
sections must be run manually and offline.
IOC interface is tested by the new section:
The IDxx section tests the path between the
CCU and IOC Bus.
– ID01: Use of IOC test register.
– ID02: Test of bad parity
– ID03: Interrupt test.
The run time is about 1 minute and 30
seconds.
DMA interface is tested by a new section
XAxx.
– XA01: DMA test.
– XA02: Extended DMA test.
The run time is about 6 minutes per coupler.
Prerequisites to Run the CBA Test
from the 3745 MOSS
The 3745 must be powered ON and in offline
mode.
The 3746-900 must be powered ON and in
online mode.
The CBC and the CBSP must not be in con-
current mode.
The CBC and the CBSP must be available in
the CDF-E.
The 3746-900 must be error free.
Refer to Figure 3-1 for the coverage of CBA diag-
nostics.
IOC/DMA Bus
CBC
CBA
: Tested by CBA Diagnostics
: Not Tested by CBA Diagnostics
Figure 3-1. CBA Diagnostic Coverage
Chapter 3. How to Run 3745 Diagnostics 3-3