Panasonic Kx Ta824 Installation Manual

							3.2 Connection
Installation Manual 81
7.Ask the respondent to transfer the call to the internal modem of the PBX. (Transfer + 729 
[Remote Maintenance feature number])
8.Click OK and wait for 2 or 3 seconds, and then go on-hook before you hear a tone from the 
modem. The PC will connect to the PBX.
Notes
 The AT command Use V.22bis may be required to configure the modem to communicate 
with the PBX, depending on the modem (for example: AT + MS = V22B).
 The AT commands Use V.42 and Use V.42bis may be required to configure the modem to 
communicate with the PBX, depending on the modem.
 The AT command to dial without waiting for a dial tone may be required to configure the 
modem to communicate with the PBX, depending on the modem.
 The AT command to set the Result Code format to text beginning with CONNECT when a 
connection is established may be required to configure the modem to communicate with the 
PBX, depending on the modem.
 If the Baud Rate (bps) is set too high or too low the modem may not be able to communicate 
with the PBX, depending on the modem or PC. In this case, adjust the Baud Rate (bps) and 
reconnect to the PBX.
Programming Manual References
4.1 Software Modes
6.1 Connect 
						

							3.2 Connection
82 Installation Manual 
						

							Installation Manual 83
Section 4
Troubleshooting
This section provides information on troubleshooting and 
restarting the PBX. 
						

							4.1 Troubleshooting
84 Installation Manual
4.1 Troubleshooting
4.1.1 Installation
PROBLEM PROBABLE CAUSE SOLUTION
 Extension telephone does 
not function. Faulty connection 
between the PBX and 
telephone. Plug the telephone into the same 
extension port using a shor t telephone 
cord.
If the telephone functions, then the 
connection between the PBX and the 
telephone must be repaired.
 Faulty telephone.  Plug the telephone into a known 
functioning extension port. If the telephone 
does not function, replace the telephone.
 A telephone with an A-A1 
relay is connected. Use a 2-wire cord.
Set the A-A1 relay switch of the telephone 
to the OUT or OFF position.
 Faulty  extension  card.  Exchange the card for a known functioning 
one.
 Proprietary telephones 
(PTs) connected to 
extension jacks do not 
operate, but single line 
telephones (SLTs) do. The H and L pins of 
extension jacks may have 
shor ted. Turn the Power Switch to the OFF 
position. Fix the shorted part, then turn the 
Power Switch to the ON position.
 Noise heard through 
external pager 
(loudspeaker). If using an amplifier, noise 
may be being introduced 
through the cable 
connecting the PBX and 
the amplifier or 
loudspeaker. Use a shielded cable to connect the PBX 
and the amplifier or loudspeaker. A shorter 
cable will introduce less noise.
 Audio (Music on Hold, 
Background Music) is 
distorted. Audio level from the output 
of the audio source is too 
high. Decrease the output level of the external 
audio source by using the volume control 
on the audio source.
 Speed Dialing or One-
touch Dialing does not 
function. Incorrect  programming.  Store the outside (CO) line access number 
(for example, 9, 81 through 88) at the 
beginning of the telephone number.
 Improper operation other 
than the above. Turn the Power Switch to the OFF 
position, and then back to the ON 
position. 
						

							4.1 Troubleshooting
Installation Manual 85
4.1.2 Connection
Telephone cord connecting the PBX and a proprietary telephone (PT):
Telephone cord connecting the PBX and a single line telephone (SLT):
Telephone cord connecting the PBX and an SLT that is polarity-sensitive:
CAUSE
The T/R pins are connected to the H/L 
pins.
SOLUTION
Use the correct cord (the
inner 2 wires are for T/R and 
the outer 2 wires are for H/L).
H
T
RLH
T
R
L
PBX
PBX
PBXExtension
CAUSE
The T/R pins are connected to the H/L 
pins.
SOLUTION
Use the correct cord (the 
inner 2 wires are for T/R).
H
T
R
L
T
R 
Extension
CAUSE
The T and R pins are crossed over.
SOLUTION
Reverse the connections of
the T/R pins.
H
T
R
L
T
R 
Extension
Can you dial
an extension?No
Ye s
Telephone cord connecting an outside (CO) line and the PBX:
CAUSE
The outside (CO) line(s) is 
connected to the H/L pins.
SOLUTION
Reconnect the outside 
(CO) line(s) to the T/R pins 
of the telephone jack using 
2-conductor wiring.
T
R
Outside (CO) Line  PBX
Can you dial
out using an 
outside (CO) 
line?No 
						

							4.1 Troubleshooting
86 Installation Manual
4.1.3 Operation
PROBLEM PROBABLE CAUSE SOLUTION
 When using the 
speakerphone on a 
proprietary telephone 
(PT), no sound is heard. The HANDSET/
HEADSET selector is set 
to the HEADSET 
position. When the headset is not used, set the 
HANDSET/HEADSET selector to the 
HANDSET position.
 The PT does not ring.  The ringer volume is set to 
off. Set to HIGH or LOW.
 During a power failure, 
PTs connected to jack 
numbers 01, 09, or 17 do 
not operate. Only single line telephones (SLTs) can be 
used during a power failure. Disconnect 
the PT and connect an SLT.
 Outside (CO) line calls 
cannot be made with a PT. A flexible button on the PT 
has not been programmed 
to select an outside (CO) 
line. Program the CO buttons. Refer to 1.1.61 
Flexible Buttons in the Feature Manual. 
 An SLT set to tone 
dialing mode cannot make 
calls. There may be something 
wrong with the DTMF 
(Dual Tone Multi-
Frequency) receiver.
1.Select Enable for DTMF receiver 1 and 
Disable for DTMF receiver 2 through 
system programming, [107] DTMF 
Receiver Check.
2.Try to make a call using a tone-type SLT 
connected to one of extension jacks 01–
08.
3.If you cannot make the call, the problem 
may have been caused by DTMF receiver 
1. If the call can be made, go to step 4.
4.Try DTMF receiver 2. Select Disable for 
DTMF receiver 1 and Enable for DTMF 
receiver 2 through system programming, 
[107] DTMF Receiver Check, and make 
another call. If you cannot make the call, 
the problem may have been caused by 
DTMF receiver 2. If the call can be made, 
go to step 5.
5.Check the other 4 DTMF receivers the 
same way through [107] DTMF Receiver 
Check in system programming. 
						

							4.1 Troubleshooting
Installation Manual 87
4.1.4 System Restart
If the PBX does not operate correctly, confirm that the operation/feature is being used correctly and 
refer to the Troubleshooting section if necessary. If the PBX still does not operate correctly, restart the 
PBX.
When the PBX is restarted:
 Calls on Hold are terminated.
 Calls on Exclusive Hold are terminated.
 Calls in progress are terminated.
 Automatic Callback Busy (Camp-on) is cleared.
 Call Park is cleared.
 Last Number Redial is cleared.
 Saved Number Redial is cleared.
No other data is cleared by System Restart.
1.To restart the PBX, turn the Power Switch to the OFF position, then turn the Power Switch back 
to the ON position.
Note
If the PBX still does not operate correctly, please see 4.1.5 System Reset with System Data 
Clear. 
						

							4.1 Troubleshooting
88 Installation Manual
4.1.5 System Reset with System Data Clear
When the PBX does not operate correctly after restarting, you can clear the programming data stored 
in the PBX. The PBX will restart with the default settings.
1.Make sure that all outside (CO) lines you use are connected to the PBX.
2.Slide the System Clear Switch to the CLR position.
3.Press the Reset Button, and then return the System Clear Switch to the NOR position before 
the power indicator stops flashing. (The power indicator will flash for about 5 seconds.)
CAUTION
Before touching the System Clear Switch and Reset Button, put on a grounding strap.
Notes
 After pressing the Reset Button, make sure to return the System Clear Switch to the NOR 
position before the power indicator stops flashing, otherwise the system data will not be 
cleared.
 The recorded outgoing messages (OGMs) for Direct Inward System Access (DISA) and 
Built-in Voice Message (BV) are not cleared by the System Data Clear.
Programming Manual References
[999] System Data Clear
8.3 System Reset
8.4 System Data Clear
System Clear Switch
Reset Button
NOR/CLR RESET 
						

							Installation Manual 89
Section 5
Appendix 
						

							5.1 Revision History
90 Installation Manual
5.1 Revision History
5.1.1 Version 2.0
Changed Contents
 2.3.7 Message Expansion Card for DISA OGMs (KX-TA82491)
 2.3.8 2-Channel Voice Message Card (KX-TA82492)
 2.10.1 Starting the Advanced Hybrid System