3-2
3
Functional Modem States
During asynchronous AT operation, the L-Series
modem functions in one of these six modes:
q
Command mode
q
Online (data) mode
q
Online (data) command mode
q
Fax mode
Command Mode
When the modem is powered up, it enters command
mode and is ready to receive AT commands. These
commands can direct the modem to dial a telephone
number, go off-hook to answer an incoming fax, or send
an outgoing fax.
Online (Data) Mode
When the modem connects to a remote modem, it
acquires carrier from the remote modem, then
negotiates its error control and data compression
features. At this point, the modem goes online (data
mode) and can transmit data to the remote modem
using the telephone line. In online mode, the modem
can send and receive data, but cannot execute any
command instructions. To be able to execute
commands while online, the modem must be in online
command mode.
Содержание Z34-PL
Страница 1: ...Zypcom Data Fax Modems User s Guide Z34 SL Z34 PL Part number 18008 513A August 1997...
Страница 2: ...Zypcom Inc 2301 Industrial Parkway West Bldg 7 Hayward CA 94545 TEL 510 783 2501 FAX 510 783 2414...
Страница 3: ...Zypcom Data Fax Modems User s Guide Z34 SL Z34 PL Part number 18008 513A August 1997...
Страница 16: ...xiv Z...
Страница 92: ...4 16 4...
Страница 96: ...Appendix A 4 A...
Страница 100: ...B Appendix B 4...
Страница 110: ...D Appendix D 4...
Страница 114: ...Appendix E 4 E...