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3.7 Installing the ASD-4 on a KSU/PBX System
A KSU/PBX phone system is common in a medium or large office
arrangement in which calls are coming in on two or more lines and can be
routed to any number of extensions. A KSU (key service unit) typically has
features like call holding, music on hold, conference calling, and intercom
paging.
Figure 3-6 on the next page shows telephone devices connected to the ASD-
4 for a KSU phone system. For the ASD-4 to operate properly, it must be "in
front" of the KSU or PBX. In other words, the ASD-4 must connect directly to
the incoming telephone line (the last line in rollover).
Do not plug the ASD-4 into a KSU/PBX phone jack. You may damage
your phone system.
All equipment on that line (KSU/PBX, fax, modem, and so on) must be
connected to the ASD-4's PHONE port.
You should be a telephone installer or be familiar with telephone wiring
to complete this installation. If you have any questions or are not
confident that you can complete this installation procedure, contact
technical support or a professional installer for further instructions.
(Look in the Yellow Pages of the phone book under "Telephone" to
locate a professional installer.)
Refer to Figure 3-6 to see how to install the ASD-4 on a KSU/PBX phone
system. Connect other telephone equipment as directed in Section 3.3.
CAUTION!
CAUTION!
CHAPTER 3: Installation
17
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