Panasonic KX-T7775, Руководство по эксплуатации

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4
Installation
Notes :
1. A Doorphone Card must be inserted in the PBX before you can install
the Doorphone. This Doorphone manual should be read in
conjunction with the relevant PBX manual.
2. If in doubt when installing the Doorphone Module, consult your
authorized dealer.
System Connection
CAUTION :
„
This product requires AC input to function. Ensure that the AC outlet
is located near the PBX, and is easily accessible.
„
This equipment should only be used with AC Adaptor PSLP1380Z.
Notes
:
1. The Power Module is designed for internal use only and should
be located in close proximity to the main PBX. Wherever possible, it
should share any power failure backup systems provided for the
PBX. A maximum distance of no more than 10 m (32 ft) is advised.
2. Figures 2 and 3 on page 5 show interconnection in more detail.
3. The connection between the Doorphone and the Power Module
is not polarity sensitive.
4. Inputs to the bell contacts must not exceed 24 V AC.
5. This Doorphone manual should be read in conjunction with the
relevant PBX manual.
6. Always complete installation before connecting the DC voltage to the
Power Module.
7. Low voltage building wiring methods shall meet the requirements of
National Electric Code (NEC) NFPA 70, Article 725.
Figure 1 - System Connection
PBX
PBX
DOORPHONE
CARD
POWER
MODULE
Max 500 m (1640 ft)
22 AWG
DOORPHONE
MODULE
BELL INPUT
AC
ADAPTOR
(Refer to Figure 2)
(Refer to Figure 3)
DOOR CHIME
SYSTEM