Helmholz REX 300 - Page 22

Quick Start Guide REX 300
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7.3 GSM connection is interrupted.
IftheproviderforGSMremotemaintenanceinterruptstheconnectionofyourREX
300router,thismayhaveoccurredforthefollowingreasons,amongothers:
- wrong user name/ password
- portsblockedbytheprovideror
- credit of prepaid SIM cards used up.
7.4 Deviceconguration:Services–mailsettings.
If you would like to use the function for the automatic sending of e-mails of the
REX300(WAN),port25(SMTP)maynotbeblockedintherewallinthecustomer
network.Youcanalsousealternativee-mailserverstosende-mails.
7.5 Deviceconguration:Services–NTPserver
For purposes of time synchronization of the REX 300, this carries out a comparison
atregularintervals.Wherenecessary,youcanindividuallysetthepresetNTPserver
andtheinterval.