AT&T PC 6300 - 21 XX-8530 Serial Port Tests

DIAGNOSTICS
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21XX—8530 Serial Port Tests
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The 21XX series tests are the 8530 Serial Port Tests. The error
message for this series of tests are as follows:
ERROR DESCRIPTION
2101 Data path check to the 8580 failed.
2102 Transmit/receive failed using the 8530 internal
loopback mode.
2103 Transmit/receive failed using the loopback jumper.
THIS ERROR IS DETECTED ONLY FOR SYSTEM
TEST PACKAGE.
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4-154
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