Panasonic KX-NCP500 Manual page 46

4.3.1 Assigning the IP Addressing Information
3. a.
A screen will appear with information that any changes made in step 2 will be activated after the
PBX is restarted.
b.
Click OK to restart the PBX.
Notice
•
Do not change the IP addresses of the IPCMPR and DSP cards once IP telephones are registered to
the PBX using these IP addresses.
The IP telephones will not operate properly if these IP addresses are changed.
•
A DHCP server must be able to use a "client identifier" option specified by RFC 2131.
•
The PBX will not start properly if the IP addresses cannot be assigned automatically by the DHCP
server when DHCP Client is set to Enable. In this case, you need to consult your network administrator
because the DHCP server on your network may not be running or a network failure may have occurred.
If the DHCP server is not available, change the DHCP Client setting to Disable and set fixed IP
addresses, then restart the PBX.
To change the DHCP Client setting, connect the PC with an RS-232C cross cable or Ethernet straight
cable. When connecting the PC with an Ethernet straight cable, make sure the PBX is disconnected
from the LAN and then connect the PC with an Ethernet straight cable using 192.168.0.101 for the IP
address of the IPCMPR card.
*1 Valid IP address range: "1.0.0.0" to "223.255.255.255"
*2 Valid IP address range: "1.0.0.0" to "223.255.255.255"
*3 Valid subnet mask address range: "0–255.0–255.0–255.0–255" (except 0.0.0.0 and 255.255.255.255)
Valid IP address range: "1.0.0.0" to "223.255.255.255"
*4
46 IP Networking Guide Document Version 2009-12