2.16.3 Checking The General Operating Conditions
1. Check the red light emitting diode (LED) system status indicator. Be sure that it is on steady.
If it is off or flashing, refer to the paragraph titled Checking the System Status Indicator.
2. Refer to the user’s guide for operating information and perform a general operational test of
the system by exercising the features from station port 10 or 11. Operational parameters are
per the system default conditions as detailed in Chapter 4 until class of service programming
is performed.
3. Once the basic system is verified as operational, perform the class of service programming as
described in Chapter 3.
Digital Telephone System IMI66–107
2 – 52 Installing The DSU
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