Panasonic Kx Taw848 Installation Manual

1.2 Basic System Construction
Installation Manual 21
*1 One LCOT4 card is installed by default.
*2 The PBX has 4 Hybrid Ports pre-installed.
Station Message
Detail Recording (SMDR)
PC
LCOT4*1
(KX-TAW84880)
PLC8
(KX-TAW84876)
PLC4
(KX-TAW84875)
DPH4
(KX-TAW84861)
SLC8
(KX-TAW84874)
HLC4
(KX-TAW84870)
ECHO8
(KX-TAW84866)
MSG2
(KX-TAW84891)
Telephone
Company
SLT Wireless Phone Fax Machine
DSS Console APT
Radio
Amplifier Pager/Speaker
CID4
(KX-TAW84893)
EXT-CID
(KX-TAW84868)SLT Wireless Phone Fax Machine
APT...

1.3 Optional Equipment
22 Installation Manual
1.3 Optional Equipment
1.3.1 Optional Equipment
Model No. Model Name DescriptionMaximum 
Quantity
KX-TAW84861 4-Port Doorphone Card 
(DPH4)4-port doorphone card for 4 doorphones, 4 door 
openers or external relays, and 4 external 
sensors.1
KX-TAW84866 8-Channel Echo Canceller 
Card (ECHO8)8-channel card for echo cancellation during 
conferences.1
KX-TAW84868 Extension Caller ID Card 
(EXT-CID)Sends Caller ID signals to extension ports. 1
KX-TAW84870 4-Port...

1.4 Specifications
Installation Manual 23
1.4 Specifications
1.4.1 General Description
SwitchingNon-blocking
AC Adaptor AC Input Panasonic PSLP1244: 100 V AC to 240 V AC; 1.5 A; 50 Hz/60 Hz
 Panasonic PSLP1434: 110 V AC to 240 V AC; 1.35 A; 50 Hz/60 Hz
DC Output40 V; 1.38 A (55.2 W)
DC Input40 V; 1.38 A (55.2 W)
Maximum Power Failure Tolerance300 ms
Memory Backup Duration7 years
Dialing CO LineDial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialing
ExtensionDial Pulse (DP) 10 pps, 20 pps
Tone (DTMF)...

1.4 Specifications
24 Installation Manual
Dimension275 mm (W) × 376 mm (H) × 117 mm (D)
(10-4/5 in × 14-4/5 in × 4-3/5 in)
Weight (when fully mounted)Under 3.5 kg (7.72 lb) 

1.4 Specifications
Installation Manual 25
1.4.2 Characteristics
Terminal Equipment Loop LimitAPT: 40 Ω
 SLT: 600 Ω including set
 Doorphone: 20 Ω
CS: 65 Ω
Minimum Leakage Resistance15 000 Ω minimum
Maximum Number of Extension 
Instruments per Line1for APT or SLT
2by Parallel connection of an APT and an SLT
Ring Voltage75 Vrms at 20 Hz/25 Hz depending on the Ringing Load
Central Office Loop Limit1600 Ω maximum
Hookswitch Flash Timing Range24 ms to 2032 ms
Door Opener Current Limit24 V DC/30 V AC, 1 A...

1.4 Specifications
26 Installation Manual
1.4.3 System Capacity
Maximum CO Line and Extension Cards
The following number of CO line and extension cards can be installed in the PBX for expansion.
Notes
 For each card, the maximum number that can be installed in the PBX is listed in 1.3.1 Optional 
Equipment.
 Any card that exceeds the capacity of the PBX will be ignored.
 When the PBX starts up with an invalid configuration, some cards will be ignored.
Maximum Terminal Equipment
The following number of...

Installation Manual 27
Section 2
Installation
This section describes the procedures to install the PBX. 
Detailed instructions for planning the installation site, installing 
the optional service cards, and cabling of peripheral 
equipment are provided. Further information on system 
expansion and peripheral equipment installation is included. 

2.1 Before Installation
28 Installation Manual
2.1 Before Installation
2.1.1 Before Installation
Please read the following notes concerning installation and connection before installing the PBX and 
terminal equipment.
Be sure to comply with all applicable laws, regulations, and guidelines.
Safety Installation Instructions
When installing telephone wiring, basic safety precautions should always be followed to reduce the risk of 
fire, electric shock and injury to persons, including the following:
1.Never...

2.1 Before Installation
Installation Manual 29
4.Use 2-pair telephone cables when connecting PTs.
Use 1-pair telephone cables when connecting SLTs, data terminals, answering machines, computers, 
Voice Processing Systems, etc.
5.Unplug the system from its power source when wiring, and plug the system back in only after all wiring 
is completed.
6.Mis-wiring may cause the PBX to operate improperly. Refer to Section 2 Installation when wiring the 
system.
7.If an extension does not operate properly,...

2.2 Installation of the PBX
30 Installation Manual
2.2 Installation of the PBX
2.2.1 Unpacking
Unpack the box and check the items below:
Main Unit 1
AC Cord 1
AC Adaptor 1
Screws for Wall Mounting 5
Washers for Wall Mounting 5
Mini Plug (for pager and music source) 2
SD Memory Card 1
Main Strap 1
Strap (for the pre-installed LCOT4 card) 1
Optional Card Label Sheet 1