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4.5 Fault Recovery/Diagnostics
4.5 Fault Recovery/Diagnostics
4.5.1 Power Failure Restart
Description
When turning the electricity back on, the Control Box restarts the stored data automatically and will record
the event (System Restart) in the error log.
Conditions
•
In the event of a power failure, the Control Box's memory is protected by a factory-provided lithium
battery.
4.5.2 Dynamic Host Configuration Protocol (DHCP) Assignment
Description
It is possible to assign the Control Box as a Dynamic Host Configuration Protocol (DHCP) client, allowing IP
addresses to be received from a DHCP server over a LAN.
Conditions
•
It is possible to enable this feature through system programming.
Notice
It is important to set your DHCP server to not change the IP addresses of the mother board and DSP
card after IP devices have been registered to the Control Box. Those devices will not operate properly if
these IP addresses are changed.
PC Programming Manual References
16.1 Network Service—[1] IP Address/Ports—Basic Settings
→ LAN Setting—Obtain an IP address automatically/Use the following IP address
→ LAN Setting—IP Address
→ DSP IP Setting—Obtain DSP IP address automatically/Use the following DSP IP address
4.5.3 PING Confirmation
Description
It is possible to confirm the connection of IP telephones, routers, and hubs within or outside the private
network using PING. The Control Box will send an Internet Control Message Protocol (ICMP) echo request
through the PC programming terminal and receive an ICMP message confirming connection.
Conditions
•
The Control Box performs PING as follows:
–
Test packet length: 56 bytes
–
Ping attempts: 5
–
Time out length: 1 second
–
Ping interval time: 1 second
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