Installation manual

Table Of Contents
5.1 Troubleshooting
5.1.1 Installation
PROBLEM PROBABLE CAUSE SOLUTION
You cannot make/receive
calls via an IP network.
IP-EXT/IP-GW/DSP
card malfunction
Replace the corresponding card.
IPCEMPR card
malfunction
Replace the IPCEMPR card (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 cables
in use are over 100 m (328 ft) 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 Extensions do
not operate.
IP-EXT/DSP card
malfunction
Replace the corresponding card.
IPCEMPR card
malfunction
Replace the IPCEMPR card (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 Extension
not registered
Register the corresponding IP-PT/SIP
Extension.
IP-PT/SIP Extension
malfunction
Replace the IP-PT/SIP Extension.
Poor connection Make sure that an 8-pin twisted pair cable
is used for connection.
Make sure that none of the CAT 5 cables
in use are over 100 m (328 ft) 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 Extension
is not blocked by the firewall or other
network devices.
210 Installation Manual Document Version 2009-12
5.1.1 Installation