8. FK-517 ....................................................................................................................................................................P-86
8.1 COMMUNICATION CONTROL .............................................................................................................................................P-86
8.1.1 FIF bits of DIS, DTC and DCS......................................................................................................................................P-86
8.1.2 Modem fallback sequence............................................................................................................................................P-94
8.1.3 V8/V34 sequence .........................................................................................................................................................P-94
8.2 FUNCTION ..........................................................................................................................................................................P-102
8.2.1 Telephone function .....................................................................................................................................................P-102
8.2.2 F-code ........................................................................................................................................................................P-103
8.2.3 Transmission function.................................................................................................................................................P-107
8.2.4 Reception function......................................................................................................................................................P-107
9. CU-202 .................................................................................................................................................................P-110
9.1 CONFIGURATION...............................................................................................................................................................P-110
9.1.1 Configuration ..............................................................................................................................................................P-110
9.1.2 Unit internal configuration...........................................................................................................................................P-110
9.2 OPERATION........................................................................................................................................................................P-110
9.2.1 Airflow .........................................................................................................................................................................P-110
9.2.2 Fan control..................................................................................................................................................................P-111
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