Panasonic KX-TD816 Installation Manual page 24

1.4 Options
Model No. Model Name
KX-A46 Battery Adaptor
KX-T7440 / Digital DSS Console Provides easy and quick
KX-T7240
KX-T7441 DSS Console for
Attendant
KX-T7040 DSS Console
KX-T30865 Doorphone
KX-T30890 Headset (Earphone
type)
KX-T7090 Headset (Headphone
type)
For remote maintenance calls, if you know which system (master or slave) where the calls will arrive, then only one remote card
*1
is needed. However, if you are using DDI, etc., you may not know where the calls will be received. In this case, you should install
a remote card in each system.
24
Description
Supports the connection
of two car batteries for
power backup in the
event of a power failure.
access to extensions and
features. This must be
used with a proprietary
telephone.
Used for a doorphone
call.
Connected to a
proprietary telephone to
establish hands-free
operation.
Connected to a
proprietary telephone to
establish hands-free
operation.
Max. Max. Quantity on
Quantity KX-TD1232
on
Single
KX-
System
TD816
1 1
4 4
2 2
— —
— —
System
Connection
2
8
4
—
—
System Outline