Operating BDU
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7.2 Powering On System
Use the power ON/OFF button on the BDU’s front panel. Wait for all LED indicators to turn green to indicate
the system is completely powered up.
7.3 Making POTS Phone Call
To make POTS phone calls, do as follows:
1. Connect an phone cable from the Phone Port (RJ14) on the back of the BDU to the POTS phone.
NOTE
When connecting a cable to the Phone port (RJ14), a pair of wires are connected to Pin 3 (R1-) and Pin 4
(T1+) of the analog POTS phone 1 (no. 101), and another pair of wires are connected to Pin 5 (R2-) and Pin 2
(T2+) of the analog POTS phone 2 (no. 102).
2. Lift the POTS handset and listen for dial tone.
3. Make a test call to check the voice clarity. Enter ‘9 + 00 + Country code + Area code + Phone #’ using
the keypad. (e.g. 9 00 1 209 1234 5678).
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