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Testing the System
5 Hang up.
The control unit should send a ring burst, and the Message light on the 2500
telephone should turn on.
6 Turn off the Message light.
Dial the appropriate feature code.
Testing Telephones for Dial Tone
1
2
3
To test for dial tone, follow the steps below:
Press an ICOM or SA button (depending on the mode of operation).
The red LED next to this button should go on.
Press the Speaker button.
The green LED next to
ICOM
or
SA
button should turn on; you should hear a
dial tone, and the green LED next to the
Speaker
button should turn on.
Press the Speaker or ICOM or SA button again to disconnect intercom.
The green LEDs next to
lCOM
or
SA
and Speaker buttons should turn off, and
the dial tone should stop. The red LED remains on in some cases.
Testing Telephones for Outside Dial Tone
To test for outside line dial tone, follow the steps below:
1 Without lifting the handset, press one of the outside line buttons.
The red LED next to this button should turn on.
2 Pickup the handset or press the Speaker button.
The green LED next to the line button should turn on, and you should hear a
dial tone.
3 Hang up and repeat Steps 1 and 2 for each line button on the telephone.
7–6 Initializing and Testing the System