Preliminary Procedures; Power Up Sequence - Vodavi Starplus Triad-S Installation Manual

Preliminary Procedures

Preliminary Procedures
1. Make sure the Basic Key Service Unit (BKSU) is properly grounded to cold water pipe or
earth ground.
2. Verify that all expander modules are firmly seated onto their connectors.
3. Inspect the MDF for shorted wiring and improper polarity that would affect the Digital
Terminal or DSS console.
4. Make certain the lithium battery switch (SW2) on the MBU of the BSKU is set to the ON
position to enable the battery backup option.
5. Make sure the MDF cables connected to the KSU are secure and are plugged into the
correct position.

Power Up Sequence

The power up sequence involves 1) the proper application of AC power to the system and 2)
defaulting the system. A successful power up is assured if the installation checklist is
followed.
1. Plug the AC power cord of the Key Service Unit into the dedicated 117V AC outlet.
2. Remove the BKSU cover, set SW1 on the MBU to the ON position. Set (SW2) (BATT) to the
ON position.
3. Turn the power switch of the KSU to ON.
4. Set (SW1) on the MBU to the OFF position to retain changes to the database.
The system is ready for programming. If problems occur, refer to
and Troubleshooting."
Table 3-1: Power Supply Tests
Voltage Destination
117V AC
Voltage Reading Test Point Location
+117V AC, Commercial Power
±10%
Chapter 3 - System Check-Out
Chapter 4, "Maintenance
Source
3-3