7.1 Troubleshooting
7.1.1 Installation
PROBLEM
PROBABLE CAUSE
SOLUTION
You cannot make/receive
calls via an IP network.
•
DSP card malfunction
•
Replace the corresponding card.
•
Mother board
malfunction
•
Replace the mother board (be sure to turn
off the PBX when replacing).
•
Not enough activation
keys
•
Purchase additional activation key codes.
Please consult a certified dealer for
details.
•
Poor connection
•
Make sure that an 8-pin twisted pair cable
is used for connection.
•
Make sure that none of the CAT 5/CAT 5e
cables in use are over 100 m in length.
•
Make sure that a straight cable is used for
connection to a switching hub.
•
Network malfunction
•
Make sure that all network devices in use
are switched on.
•
Make sure that there is no unwanted
firewall in the IP network.
IP-PTs/SIP phones do not
operate.
•
DSP card malfunction
•
Replace the corresponding card.
•
Mother board
malfunction
•
Replace the mother board (be sure to turn
off the PBX when replacing).
•
Not enough activation
keys
•
Purchase additional activation key codes.
Please consult a certified dealer for
details.
•
IP-PT/SIP phone not
registered
•
Register the corresponding IP-PT/SIP
phone.
•
IP-PT/SIP phone
malfunction
•
Replace the IP-PT/SIP phone.
•
Poor connection
•
Make sure that an 8-pin twisted pair cable
is used for connection.
•
Make sure that none of the CAT 5/CAT 5e
cables in use are over 100 m in length.
•
Make sure that a straight cable is used for
connection to a switching hub.
•
Network malfunction
•
Make sure that all network devices in use
are switched on.
•
Make sure that the IP-PT/SIP phone is not
blocked by the firewall or other network
devices.
288
Installation Manual
7.1.1 Installation
Summary of Contents for KX-NS500
Page 16: ...16 Installation Manual Table of Contents ...
Page 28: ...28 Installation Manual 1 4 Data Security ...
Page 58: ...58 Installation Manual 2 3 3 System Capacity ...
Page 78: ...78 Installation Manual 3 1 3 Using CTI Applications ...
Page 114: ...4 Hook the main unit on the screw heads 114 Installation Manual 4 2 10 Wall Mounting ...
Page 286: ...286 Installation Manual 6 1 Methods of Stacking Expansion Units ...
Page 300: ...300 Installation Manual 7 1 6 Troubleshooting by Error Log ...
Page 332: ...332 Installation Manual 8 6 Port Security ...
Page 337: ...Installation Manual 337 Notes ...