3Com PC Card User Manual page 54

50 C 5: U
HAPTER SING THE
M
ODEM
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