Panasonic Kx-Td308 Digital Super Hybrid System Installation Maintenence Manual

220Installation of the Main Unit2.2.1 Unpacking
Unpack the box and check the items below:
Main Unitone
AC Cordone
Templateone
Screws (Wall Mounting)three
Screw (Extension Connector)one
Pager Connectorone
Music Source Connectorone
2.2.2Location of Interfaces
Outside Line Modular Jack
Ground Terminal
Doorphone Connector
External Music Jack
Serial Interface
Connector (RS-232C)
2-4Installation 

2.2.3 Wall Mounting
This set is designed for wall mounting only. The wall where the
main unit is to be mounted must be able to support the weight of
the main unit. If screws other than the ones supplied are used, use
screws with the same diameter as the ones enclosed.Mounting on Wooden WallMounting on Concrete or Mortar
Wall1. Place the template (included) on the wall
1. Place the template (included) on the wall
to mark the screw positions.
to mark the screw positions.
2. Install the screws (included)...

2.2.4 Opening Front Cover1. Loosen the screw.2. Slide the front cover toward the right while pressing the 
m mark.
NoteThe screw cannot be removed from the system.2-6Installation 

2.2.5 Frame Ground Connection2.2.5Frame Ground Connection
IMPORTANT!!!
Connect the frame of the main unit to ground.
1. Loosen the screw.
2. Insert the grounding wire.
3. Tighten the screw.
4. Connect the grounding wire to ground.
To ground
In most of North America, the ground provided by the “Third wire ground” at the commercial
power outlet will be satisfactory.However, in a small percentage of cases this ground may be
installed incorrectly. Therefore, the following test procedure should be performed....

23lConnection2.3.1System Connection Diagram
&=L,2(Lightning Protectors)
3 Outside Linesto outside lines 1 through 3
P
DoorphoneDoor
KX-T30865Opener
AmplifierSpeakerPrinter or
II8 Extensions
(One ‘T(t$o pair) A
KX-T7020KX-T7220
/7
r, (two
Kx-no50
Cordless Phone
Telephone Answering
Machine with Facsimile
3
Voice Processing SystemKx-no55
KX-T7130KX-no30(two pair)
KX-T7235
KX-T7240
KX-T7040
Notel It is recommended that extension of jack 1 is a
display proprietary telephone.
l Parallel connection of...

2.3.2 Outside Line ConnectionConnection1.Insert the modular plugs of the telephone line cords (6-
conductor wiring) into the modular jacks on the system.
2. Connect the line cord to the outside line jack and the terminal
board or the Central Office jack.
$T1I-- -.l-u-Outside Line I
To Terminal Board or
Modular Jacks from
the Central Office
Installation2-9 

2.3.2 Outside Line ConnectionInstalling Lightning Protectors
A lightning protector is a device to be installed on an outside line to
prevent a dangerous surge from entering the building and damaging
equipment.
A dangerous surge can occur if a telephone line comes in contact
with a power line. Trouble due to lightning surges has been
showing a steady increase with the development of electronic
equipment.
In many countries, there are regulations requiring the installation of
a lightning protector. A...

2.3.2 Outside Line ConnectionInstallation of an Earth Rodco
Lightning
Protectors
Grounding Wire
I
System
(Underground)
Rod1) Installation location of the earth rod.............Neartheprotector
2) Check obstructions........................................None
3)Composition of the earth rodMetal ........................
4)Depth of the earth rod...................................More than50 cm
(20 inches)
5) Size of the grounding wire............................Thicknessis more
than 16 AWG
Notel The above...

2.3.3 Extension ConnectionTelephone WiringExtension jacks 1 through 4 are for all kinds of telephones.
Extension jacks 5 through 8 are only for digital proprietary
telephones. To make extension jacks 5 through 8 usable for all
kinds of telephones, a 4-SLT Extension Expansion Card 
(KX-TD30870) must be installed.
The maximum length of the extension line cord (twisted cable)
which connects the system and the extension is as follows:
Diameter of the lineMax. length
Standard Telephone
22AWG1798m (5900 feet)...

2.3.3 Extension ConnectionConnection1. Insert the 50-pin connector to the Extension Jack as shown.
2. Connect the wire cords to the appropriate connector pins and the
terminal equipment. Refer to the Telephone Wiring and Pin
Number Chart (page 2- 14).
I50-pin(Amphenol 57JE
series or the equivalent)
To the terminal equipment
Notel To fix the Amphenol 57JE type (screw-attach type 50-pin connector) to
the Extension Jack. To attach the 
Amphenol 57JE type (plug) to the
connector, drive the accessory screw...