Vertical comdial DX-120, Руководство по установке и обслуживанию

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DX-120 Installation and Maintenance Manual
I
NSTALLING THE
DX-120
Adding a Music Source
You can connect two sources of music to the CPM for use with the Music On Hold and Background Music features.
HINT
A third option is to use an internal musical tune or tone can be used for callers on
hold. When this option is used, the MC1 connector is not used.
SELECTING INTERNAL MUSIC TUNE FOR MUSIC CHANNEL MC1
1) Be sure that the entire system is turned off.
2) Remove the KSU 1 cover (four screws at each corner).
3) Install a static discharge wrist strap on your bare wrist, and adjust it for a snug fit.
CAUTION
Be sure that the strap is touching bare skin and is not isolated by clothing.
4) Connect the wrist strap cord between the wrist strap and an AC or earth ground.
5) Connect a static discharge wrist strap to a suitable earth ground.
CAUTION
Circuit boards are susceptible to damage caused by electrostatic
discharge. You must keep this in mind as you handle the circuit boards.
For additional information, see Vertical publication IMI01-005, Handling of
Electrostatically Sensitive Components.
6) Locate the CPM and “MUSIC” option strap.
7) Move the “MUSIC” option strap (JPC1) from the “EXT” (factory position) to the “INT” position.
Adding a Music Source (continued on next page)
CPM
MC1 & MC2 external music source
Connectors