Panasonic Kx-Ta624 Advanced Hybrid System Installation Manual

2.3 Connection
Installation 2-7
6 Outside (CO) Lines
24 Extensions
Doorphones
KX-T30865 Door OpenersExternal Music Source
Amplifier Speaker
Printer
or Computer
(two pair)
(two pair)
(two pair) (two pair)
(two pair)(two pair) (one pair)
(one pair)
(one pair)
(one pair)
(one pair) Single Line Telephone
Data Terminal
Cordless Phone
Telephone Answering Machine 
with Facsimile
Voice Processing SystemKX-T7055 KX-T7050 KX-T7020
KX-T7030 KX-T7130
KX-T7040
Panasonic
Panasonic
Panasonic
Panasonic
to outside (CO)...

2.3.2 Opening the Front Cover
2-8 Installation1.Loosen the screw. 
2.Remove the top front cover.
NoteThe screw cannot be removed from the cover.
Top front cover
Screw 

2.3.3 Outside (CO) Line Connection
Installation 2-9
Connection
1.Insert the modular plugs of the telephone line cords
(2-conductor wiring) into the modular jacks on the system.
2.Connect the line cord to the terminal board or the modular jacks
from the Central Office jack.
POWER
To Terminal Board or Modular Jacks 
from the Central OfficeTRT: Tip
R: Ring
View of TEL Jack (Outside (CO) Line) 

2.3.3 Outside (CO) Line Connection
2-10 Installation
Installing Lightning Protectors
A lightning protector is a device to be installed on an outside (CO)
line to prevent a dangerous surge from entering the building and
damaging the equipment.
A dangerous surge can occur if a telephone line comes in contact
with a power line. Problems due to lightning surges have been
steadily increasing with the development of electronic equipment.
In many countries, there are regulations requiring the installation of
a...

2.3.3 Outside (CO) Line Connection
Installation 2-11 Installation of an Earth Rod
1) Installation location of the earth rod RRNear the protector
2) Check obstructions RRRRRRRRRNone
3) Composition of the earth rod RRRRRMetal
4) Depth of the earth rod RRRRRRRMore than 50 cm
{20 inches}
5) Size of the grounding wire RRRRRRThickness more than
16 AWG
Note• The above example is only a recommendation.
• The length of the earth rod and required depth depend on the
composition of the soil.
Lightning 
Protectors...

POWER
To extensions 
(JACK 01–08)THRL
H: High
T: Tip
R: Ring
L: Low View of TEL Jack (Extension)
2.3.4 Extension Connection
2-12 InstallationExtension jacks 01 – 08 are for all kinds of telephones.
Telephone Wiring
The maximum length of the extension line cord (twisted cable)
which connects the system and the extension is as follows.
Diameter 
of the line Max. length
Single Line Telephone22 AWG 1798 m {5900 feet}
(Station Loop Limit: 24 AWG 1128 m {3700 feet}
600 ½including set) 26 AWG 698 m {2290 feet}...

2.3.5 External Pager (Paging Equipment) Connection
Installation 2-13
Note• To adjust the sound level of the pager, use the volume control on the
amplifier.
Programming Reference
Section 4, System Programming
[106] External Paging Access Tone
Feature ReferencesSection 3, Features
Paging – All
Paging – External
One external pager (user-supplied) can be connected to the
KX-TA624 as illustrated below.
Use an EIAJ RC-6701 A plug (two-conductor,
ø 3.5 mm in diameter).
• Output impedance: 600 W
Maximum length of...

2.3.6 External Music Source Connection
2-14 InstallationOne music source, such as a radio (user-supplied), can be connected
to the KX-TA624 as illustrated below.
Insert the plug to the earphone/headphone jack
on the external music source.
Use an EIAJ RC-6701 A plug (two-conductor,
ø 3.5 mm in diameter).
• Input impedance: 8 W
Maximum length of the cable
AWG 18 – 22: Under 10 m {33 feet}
POWER EXT.
MUSIC
External Music source
External Music Jack
Note• System programming for the music source used for Music...

2.3.7 Paralleled Telephone Connection
(for a Proprietary Telephone and a Single Line Telephone)
Installation 2-15 Any single line telephone can be connected in parallel with a
proprietary telephone as follows.
Using a Modular T-Adaptor
Modular T-Adaptor
(Panasonic KX-J66 or USOC RJA2X)
2-conductor wiring cord
Connect pins “T” and “R”.
Proprietary Telephone  Single Line Telephone  4-conductor wiring cord
For a proprietary telephone: 
Connect pins “T”, “R”, “H” and “L”.
Programming Reference
Section 4,...

2.3.8 Polarity Sensitive Telephone Connection
2-16 InstallationIf the telephone is polarity sensitive, follow the procedure below:
12
34
5678
90
Outside (CO) Line
Reverse hereExtension
12
34
5678
90
Outside (CO) Line
Reverse hereExtension
1.Complete all the required extension
wiring.
2.Confirm that dialing can be done from all
the extensions using a touch-tone
telephone.
If dialing fails, the polarity between the
extension and the system must be reversed.
3.Reverse as shown.
4.Unplug the system.
5.Connect...