ATL User Guide
OM25 O
Optical M
Modem
42
Should the VT100 terminal remain connected whilst logged out, and provided that certain options
(in the Configuration > Monitoring Screen) have been set, warning messages indicating alarm
conditions will be displayed. These warning messages may be accompanied by an audible beep.
The VT100 terminal may at this point be replaced by a printer with a serial interface, allowing hard
copy of all alarms to be obtained.
It is envisaged that a dumb terminal may be left continuously connected to the master or slave
after the operator has logged out. This mode may then be used to register the indication of alarms
externally. The dumb terminal may be used to report alarm situations. These external indications
would consist of warning messages and/or alarm bells.
Format of warnings displayed in Monitor Mode is as follows:
Master:F4:Line - Loss of Recovered Clock ON:Thu 01 Jan 2002 00:27:57
Slave:F5:User Port - Input Signal Loss OFF:Thud 01 Jan 2002 00:27:59
The format should match that used to display the fault in the VTMS Menu System status line.
Note
: The fault log can also be viewed and printed from the Alarms->History menu - as shown in
section 6.5.2.
Summary of Contents for OM25
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