
Castle Care-Tech Ltd. Engineering
Page A - 2 Appendix A
TELECOMS / SIGNALLING RELATED MESSAGES
MODEM
FAULT
End Station unable to
communicate with
COM9600 DigiModem
If modem not present, ensure that
"Disable Digi" option is set to 'YES' and
"DOWNLOAD MODE" is set to 'NONE' or
'RS232'
If present, but not detected, check
DigiModem is inserted correctly and
complete initialisation by pressing End
Station 'RESET' button for 2 seconds
DIGI FAIL
COMM
Call to ARC from
COM9600 Digimodem
has failed.
NOTE: This is a
communication
problem, which is
rarely caused by an
equipment fault.
Check ALL call details are programmed
correctly.
Ensure signalling format correctly set
for ARC receiver.
If only one call number programmed,
ensure "STOP ON SUCCESS" = 'YES' and
"TRY SAME" is selected - NOT "Try Next."
CHC TEST
FAIL
Unable to
communicate with
Castle Host Computer
NOTE: This would also
result if 'phone line
had premium rate calls
blocked!
Ensure Digi is enabled, and at least one
SMS call is correctly programmed.
Check that ordinary phone on same line
connects to CHC and modem tones
heard - if not, problem is PSTN - NOT
equipment.
De-programme SMS Content types for
each call, exit Engineer menu, press
RESTART button, and retry CHC test
from Manager menu.
LINE FAULT
100
PSTN Line Fault
signalled by
COMM9600 DigiModem
Only operative if "DOWNLOAD BY
MODEM" selected OR "DISABLE DIGI/SMS"
is set to 'NO'
NOTE: 'Line Fault' timer operative
STU LINE
FAULT
PSTN Line Fault
signalled by device
using 'STU' pins on
End Station
Only operative if Site Option "DIGI-
REPLY" is set to 'STU' or 'Digicom.'
Check voltage on input pin (15 on Euro-
44+; 1 [brown] on Euro-22/28) -if +5/12
volts, device connected is showing
fault.
NOTE: 'Line Fault' timer operative
STU FAIL
COMM
Call to ARC from
device using End
station STU pins has
failed.
NOTE: This is a
communication
problem, which is
rarely caused by an
equipment fault.
Only operative if Site Option "DIGI-
REPLY" is set to 'Digicom.'
Check voltage on input pin (7 on Euro-
44+; 2 [red] on Euro-22/28) -if +5/12
volts, device connected is showing
fault.
Hello, im noob :)