DUA1640-5AAA02C-4 A PPENDIX C: S ERIAL W EB U TILITY4 The connection is successful if the web interface’s password panel isdisplayed. You are now ready to manage the hub or stack; refer toChapter 7.Solving ProblemsWith the SerialWeb UtilityIf you are unable to connect to the hub’s web interface, it may be that:n The hub is not turned on.n You are not using a proper null modem cable, refer to “Examples ofNull Modem Cables You Can Use” on page A-4.n The following settings are different on your hub and managementstation:n Flow control.n Speed (baud rate).n The hub has automatically configured its communication speed, butyou have subsequently changed the speed configured on yourmanagement station (the device only automatically configures thespeed the first time it connects).n You have selected the wrong COM port on your managementstation.To change some of the settings for the management station, use theAdvanced Configuration Parameters dialog box. To display this, selectthe Serial Web Setup program item in the Serial Web program group.
