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Troubleshooting and Error Messages
166 Appendix A Modem Interface Module
2. Err 77 Telephone transmission failed, accompanied by three tones (displayed for ten
seconds).
The telephone line is either busy, faulty, disconnected, or the Tone/Pulse information is
missing. If the line is busy wait a short time and transmit the data again, if the Tone/
Pulse information is missing correct it and transmit the data again.
3. Err 532 Interface board failed (displayed for ten seconds).
Failure of the 532 Board will prevent data from being transmitted and may possibly
generate Err 70 and/or Err 77 messages.
In the event of a
power fail, the normal Series 50 A/IP features apply, in addition to these:
Fetal trace storage can not be continued after a mains failure. If the length of the
stored trace following a mains failure is not large enough, clear the memory and record
a new fetal trace.
If the transmission of fetal traces is interrupted by a mains failure, the stored minutes
can still be transmitted.
If the power supply fails and the internal batteries are flat, any fetal trace stored in the
memory is lost. The loss of memory will be accompanied by the loss of date/time,
Toco offset and the error log. Once the power supply is reinstated the real time clock
will restart and display:
4.4.44 00:00.
If the transmission sequence goes smoothly through the start phase, dialing phase and even
begins the transmitting phase, but then stops each time you try to send, the problem could
be that the serial number of the sending fetal monitor is not configured correctly at the
receiving OB Tr ac e Vue system. Check this at the receiver site.
Telephone
Connection
Telephone wall jack connections will differ from one country to another. To determine the
appropriate telephone jack needed to connect the PCMCIA card modem to the telephone
network of a particular country, contact the card’s suppliers.
Telephone switching systems can differ from region to region (larger buildings/
organizations may also have their own exchange). Older telephone exchanges use a Pulse
switching system, while more modern ones use a Ton e . Having determined which system is
used, first enter the appropriate Pulse or To ne barcode before scanning the digits of the
Patient or the Receiver phone number.
Failure to scan the appropriate Pulse or Ton e barcode before entering the Patient or the
Receiver phone number, will result in the error message
Err 77 (phone transmission failed),
accompanied by three tones beep!) when the fetal trace data is transmitted.