System Functions - Vodavi Starplus Triad-S Installation Manual

4-8
Chapter 4 - Maintenance and Troubleshooting

System Functions

The following functions are related to system resources and the common equipment boards
controlling them.
Complete system failure
Any correctly activated feature does not
work properly
Loss of system intercom dial tone and call
processing tones
Loss of customer database programming
Customer database cannot be programmed Verify that no one else is accessing database
Cannot access system database
programming remotely
Music Channel 2 is not functioning
Cannot communicate with external devices
DTMF single line telephones cannot dial out Verify DTMF-A is installed.
Table 4-6: System Functions
Symptom
Basic KSU and MBU
Modem Unit (MODU)
Miscellaneous Interface Service Board (MISB)
DTMF Receiver Unit (DTMF-A)
Action
Verify that power switch is on, power cord is
plugged in. Check power LED on MBU (left edge
of card). Verify PMU was installed with software.
Check system programming related to specific
feature.
Check off hook preferences, headset mode, and
verify on another telephone.
Verify status of initialization switch, database
backup battery connection, battery voltage,
and system programming.
programming. Check RS232 cable and verify
programming was performed from Station 100.
Verify modem installation and programming.
Check modem baud rate.
Verify MSU is installed and check music source.
Check the baud rate programming and the
COMM port selection and cable.
System Functions