Apple GeoPort Telecom Adapter Kit - Manual (Page 59)

Express Modem software
COMMAND SET
AT Command Set Extended Hayes AT command set
DATA COMMUNICATIONS STANDARDS
28800, 26400, 24000, 21600, 19200, ITU V.34 (GeoPort only/
16800, 14400, 12000, 9600, 7200,
not available on Quadra AV
2400, 4800 bps computers)
14400, 12000, 9600, 7200, 4800 bps ITU V.32 bis
9600, 4800 bps
ITU V.32
2400 bps ITU V.22 bis
1200 bps Bell 212A
1200 bps ITU V.22
1200/75 bps ITU V.23
75/1200 bps ITU V.23
300 bps ITU V.21
300 bps Bell 103
GROUP 3 FAX COMMUNICATION STANDARDS
2400, 4800 bps ITU V.27 ter
7200, 9600 bps ITU V.29
12000, 14400 bps ITU V.17 (not available on
Quadra AV computers)
ERROR CONTROL
ITU V.42
MNP Classes 2–4
Fax Error Correction Mode (ECM)
ITU T.30
DATA COMPRESSION
ITU V.42 bis (up to 4:1 compression)
MNP Class 5 (up to 2:1 compression)
59 Technical Specifications