AVT Magic Touch Operating Manual page 138

Isdn telephone hybrid system
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A l a r m e
P A G E 1 3 8
TAB. 11
ALARM LIST
Error message
Meaning
Flash-EPROM Pro-
The Flash-EPROM can not be pro-
gramming Error
grammed.
No system clock
The system clock is faulty.
No connection to
The RS232 connection between the
MAGIC ISDN Tele-
PC and the Master system is faulty.
phone Hybrid! Please
check the COM Port
and/or the RS232 cable
Possible reasons/debugging
• This error can occur when storing
parameters. If the error still oc-
curs, then there is probably a
hardware error. Contact our sup-
port.
• Check the Extension bus cable at
the Slave systems.
• If the error still occurs at the Mas-
ter system, then there is probably
a hardware error. Contact our
support
• Is the RS232 cable connected to
the PC?
• Is the defined COM-Port (see
CHAPTER 7.3, page 41) correct?
• Is the RS232 cable connected to
the Master system?
• Is the Master system switched on?
• Was a Null modem cable (Pin 2
and Pin 3 crossed) used?

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