Power Failure Transfer; Guidelines; Installation - Panasonic DBS 824 Installation Manual

Power Failure Transfer
Telephones and Peripheral Equipment
Power Failure Transfer
Guidelines
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Up to four SLTs can be connected to the Power Failure Unit (PFU) (VA-
43703). if a power failure occurs, the SLTs will automatically receive dial
tone from the central office. DBS 824 features and restrictions do not apply
during a power failure when the SLTs are connected to the CO through the
PFU.
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If a call is in progress through the PFU when the power is restored, the call
will be disconnected.
Ins talla tion
1. Remove the cover from the Power Failure Unit (PFU).
2. Remove the cable punch-out plate (Figure 5-18) to make a opening for
the cables coming into the PFU.
To remove the plate, cut the grooves on either side with diagonal cutters.
Then bend the plate back and forth with needle-nose pliers to remove it.
Figure
S-18.
Cable punch-out pk.12
?,
P lower Failure Unit
3. Mount the PFU on the wall using the three screws provided with the unit.
(See Figure 5-19.)
4. Connect the trunks from the central office to the PFU.
5. Connect the SLTs to the Analog extension ports on the PFU.
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6. Connect the trunks from the DBS 824 to the PFU.
5-22
DBS 824-l O-300 Issued 3/l 195