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...

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...

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....

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...

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...

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...

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