3Com 6416SW Installation And User Manual

Modem RequirementsThe 6416SW module supports the use of dial-in modems with the followingrequirements:The modem must be 100% Hayes-compatible.Any valid baud rate (300, 1200, 2400, 4800, 9600, 19200) may be used. 2400 and9600 are recommended.The modem must be set to Dumb/Auto Answer mode.Modem ConfigurationTo configure a modem, enter the following commands from the console to which themodem is attached:1. Type at&F and press Enter (to restore the factory default settings).2. Type at&d and press Enter (to ignore changes in DTR status).If you have enabled automatic modem hangup with the SET TERMINAL HANGUPENABLE command and want to keep this setting, enter at&d2 and press Enter.This sets the DTR parameter so that hangup remains enabled when DTR switchesfrom ON to OFF.3. Type ats =1 and press Enter (to auto-answer on the first ring).4. Type ats ? and press Enter (to verify the auto-answer if 001 is returned).5. Type atq1 and press Enter (to ignore the result codes).6. Type at&W and press Enter (to save the configuration changes).7. Type at&Y and press Enter (to define the configuration as the new default).8. Set the modem to Dumb mode (with command recognition disabled) by followingthe instructions in the modem's user guide.An example of an IBM 7855-10 modem configuration is shown in Figure B-6 onpage B-8.B-7