User Manual

Appendix:
Insight System Messages 277
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Modem failure
A fault has been discovered in the modem.
Incoming call?
A call has possibly arrived.
(The modem signals an incoming call)
Termination steps 1...4
The termination takes places in several steps.
Identification request
The identification is exchanged. This can take up to 30
seconds.
Protocol switches 1 and 2
The change in the protocol mode takes place in two steps.
Substation number request
Waiting for SS number
Invalid SS number
No Tele SS
SS busy
These five statuses arise only when there are configura-
tion errors.
19.1.2 Fault messages
When the communication software detects a fault, an ap-
propriate message appears. This must be acknowledged.
Carrier Signal (DCD) Lost/Connection Dropped
The carrier signal has vanished.
Causes:
- The partner has hung up.
- The telephone line is interrupted.
- The modem was switched off.
Carrier Signal (DCD) Still High
The carrier signal does not vanish in spite of the drop at-
tempt.
➡ Check if the connection could really be dropped.
Causes:
- Defective modem
- Incorrect configuration of the modem.
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CM2B8523E UNIGYR VISONIK Insight March 1995