173
Installing and Wiring Telephones
October 2002
Install the Queue Warning Indicator
The connections for the queue warning indicator are the same as external ringing. An AC
indicator (lamp) such as a 21C49 can be used in a Uniform Call Distribution/Direct
Departmental Calling (UCD/DDC) queue.
The lamp is connected to an information outlet. The media gateway side of the MDF is
connected to an analog line circuit pack located in a port carrier.
1 Wire the queue warning indicator to the information outlet as shown in ‘‘3-Pair and
4-Pair Modularity’’ on page 172 and ‘‘Example Adjunct Power Connections’’ on page
150.
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