Panasonic Kx Taw848 Installation Manual

							2.9 Connection of Peripherals
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PC (via USB version 2.0)
The PBX is equipped with a USB interface. This interface provides communication between the PBX and a 
PC.
The PC is used for system programming, diagnostics and external system database storage (save/load) 
functions.
Pin Assignments
No. Signal Name
1 VBUS
2USB D-
3USB D+
4GND
2
 31
 4 
						

							2.10 Power Failure Connections
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2.10 Power Failure Connections
2.10.1 Power Failure Connections
When the power supply to the PBX fails, power failure transfer (PFT) will switch from the current connection 
to the Power Failure Connection. Refer to 1.13.7 Power Failure Transfer in the Feature Manual for further 
information.
Using CO Line Card and Hybrid Ports
In the event of power failure, SLTs connected to Ports 1 and 2 of the Hybrid Ports (on the Main Board) are 
automatically connected to PFT ports 1 and 2 of the first LCOT4 card (installed in the least slot number).
Note
Even when the power returns, the conversation established during power failure will be maintained. 
						

							2.11 Starting the PBX
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2.11 Starting the PBX
2.11.1 Starting the PBX
CAUTION
 The SD Memory Card must be inserted in the SD Memory Card slot of the main board before 
startup.
 Before touching the System Initialize Switch, discharge static electricity by touching ground or 
wearing a grounding strap.
 Once you have started the PBX and if you unplug the PBX, do not perform the following procedures 
to start the PBX again. Otherwise, your programmed data is cleared. To restart the PBX, refer to 
4.1.4 Using the Reset Button.
 The PBX will continue to be powered even if the power switch is turned OFF.
 The power supply cord is used as the main disconnect device. Ensure that the AC outlet is located 
near the equipment and is easily accessible.
System Initialization Procedure
1.Slide the System Initialize Switch to the SYSTEM INITIALIZE position.
RUN Indicator
ALARM Indicator
Reset Button
System Initialize Switch 
						

							2.11 Starting the PBX
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2.Plug the DC connector of the AC adaptor into DC IN 1. 
3.Plug the AC cord into the AC adaptor, and then plug the other end into an AC outlet.
4.Turn on the power switch. The RUN indicator will flash.
Notes
 For safety reasons, follow the procedures as indicated when turning on the PBX.
 For safety reasons, do not stretch, bend, or pinch the AC cord and the DC cable of the AC adaptor.
AC Adaptor
DC Connector
DC IN 1
2
1
AC Adaptor
AC Cord
To AC outlet
Power Switch 
						

							2.11 Starting the PBX
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5.While the RUN indicator is flashing, slide the System Initialize Switch back to the NORMAL position. 
Depending on the configuration, initialization takes about 1 min to 3 min. If successfully executed, the 
RUN indicator will stop flashing and stay lit.
All data will be cleared, and the PBX as well as all optional service cards will be initialized to the default 
values.
IMPORTANT
Use only the AC adaptor (Panasonic PSLP1244/Panasonic PSLP1434) and AC cord supplied 
with the PBX.
LED Indications
Confirming the CO Line Connection
After initialization, program the PBX and connect CO lines to the PBX.
To confirm that the CO lines are successfully connected, dial [ ] [3] [7] + CO line number (3 digits) on an 
APT, or press the APTs S-CO button. You will hear a dial tone if CO line is available and connected.
Turning off the PBX
For safety reasons, make sure to turn off the power switch before unplugging the PBX. To unplug, follow the 
reverse steps to plug it in.Indication Color Description
RUN Green PBX status indication
 OFF: Power off (includes normal reset)
 ON: Power on and running (on-line)
 Flashing (60 times per minute): Starting up
 Flashing (120 times per minute): Starting up or resetting with:
 the System Initialize Switch in SYSTEM INITIALIZE 
position
 the SD Memory Card not inserted
ALARM Red Alarm detection status indication
 OFF: Normal
 ON: Alarm (CPU stop, alarm for each optional service card)
 Flashing: Alarm (MPR file error in restarting) 
						

							2.11 Starting the PBX
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							Installation Manual 107
Section 3
Guide for the PC Programming Software
This section explains the installation and structure of the PC 
Programming Software. 
						

							3.1 Overview
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3.1 Overview
3.1.1 Overview
KX-TAW848 Maintenance Console is designed to serve as an overall system programming reference for the 
PBX. To program and administer the PBX by PC, you need to install the KX-TAW848 Maintenance Console 
onto the PC.
This manual describes overview and installation of the KX-TAW848 Maintenance Console only.
KX-TAW848 Maintenance Console
*1
*1The contents and design of the software are subject to change without notice.
System Menu Menu Bar 
						

							3.2 Connection
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3.2 Connection
3.2.1 Connection
Serial Interface Connection
Note
For pin assignments and maximum cabling distance, refer to 2.9.1 Connection of Peripherals.
PC
PC
To USB Port To COM Port
USB Port RS-232C Port 
						

							3.2 Connection
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External Modem Connection
After connecting the PBX and the external modem, set the power switch of the external modem to ON, 
then the external modem will be initialized with the default values.
The following AT command settings may be required for the modem:
 The Data Terminal Ready (DTR) signal should be ignored.
 The Data Terminal Equipment (DTE)/Modem flow control should be turned off.
 Data compression should be disabled.
 Error Correction is not necessary.
Notes
 Use an RS-232C straight cable for connection between the PBX and external modem.
 An AT command (for initialization, enabling automatic answer, etc.) can only be programmed by 
KX-TAW848 Maintenance Console. AT&F is stored as the default value.
 For more information about the AT command, refer to the external modems instructions.
To CO line/PBX extension
port assigned as the CO line destinationModem
To RS-232C port
 (25-pin)
External Modem (25-pin) PBX (9-pin)
Signal Name  Pin No.Signal Name 
RD (RXD) 3
SD (TXD) 2
ER (DTR) 20
DR (DSR) 6
2 RD (RXD)
3 SD (TXD)
4  ER (DTR)
6 DR (DSR)
Pin No.
RS-232C Port
(9-pin)