50 CHAPTER 5: USING THE MODEM
S71 Bit-Mapped. Nonstorable.
Bits 7-4. Not used
Bits 3-2. Communication mode setting for answer mode
■ 00 Synchronous mode
■ 01 Frame Tunneling Mode
■ 10 Synchronous Access Mode
■ 11 not used
Bits 1-0. Communication mode setting for originate mode
■ 00 Synchronous mode
■ 01 Frame Tunneling Mode
■ 10 Synchronous Access Mode
■ 11 not used
S72 V.80 Status of the V24 Circuit Reporting (Section 1). Default to Report All.
Nonstorable.
Bits 1-0. In-band Control Selection
■ 00 In-band control disabled
■ 01 In-band control allowed with 7 bits codes
■ 10 in-Band Control Allowed with 7 and 8 bits codes
■ 11 not used
Bit 2. Report circuit 105
Bit 3. Report circuit 106
Bit 4. Report circuit 107
Bit 5. Report circuit 108
Bit 6. Report circuit 109
Bit 7. Report circuit 110
S73 V.80 Status of the V24 Circuit Reporting (Section 2). Default to Report All.
Nonstorable.
Bit 0. Report circuit 125
Bit 1. Report circuit 132
Bit 2. Report circuit 133
Bit 3. Report circuit 135
Bit 4. Report circuit 142
Bit 5. Report line connect status
Bit 6. Not used
Bit 7. Not used
