3Com PC Card manual S71, S72, S73

50CHAPTER 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