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MX8000-3EX Installation and Operation Guide
Figure 4–26: Phone Connector Pin-Out and Listen-in Wiring Diagram
4.7.2
PBX Operation
Prior to performing listen-in functions on a PBX phone line system the receiver must be set up with the
proper listen-in mode and PBX string. Refer to Sections 5.1 and 5.4.2.4 (MX8000–LC3) to properly program
the receiver to handle PBX listen-in calls.
4.8
Testing the System
The MX8000–3EX should be tested regularly to ensure complete and proper operation.
Reports of automatic signal receipt must be verified daily.
Because there are so many variations in dialer parameters and phone line conditions, the only way to be
absolutely certain that all subscribers can communicate with the MX8000–3EX is to test every subscriber's
dialer individually. Subscribers must test their communicators every 30 days to make sure the MX8000–3EX
receives the information.
When you install a new MX8000–3EX, test every manufacturers' panels for each format. This is necessary
because different manufacturers' panels may operate differently even if all panels use the same format.
4–20
5 Listen-In Ring
2 Listen-In Tip
1 Manual Answer
Phone Line
Connectors
IMPORTANT:
6 Manual Answer
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Troubleshooting
