User`s guide
NETWORK IP CAMERA User’s Guide 
C. Trouble Shooting 
This appendix provides useful information to help you to resolve any difficulty you might have with 
your Network IP Camera. Fault symptoms, possible causes and remedial actions are provided within a 
quick reference table. 
PINGing your IP Address 
By sending a packet to the specified address and waiting for a reply, the PING (Packet Internet 
Groper) can determine whether a specific IP address is accessible; it also provides a particularly useful 
method for confirming addressing conflicts with your Network IP Camera on the network. 
Having disconnected your Network IP Camera, follow the instructions below in association with 
Symptoms, Possible Cause and Remedial Actions, on next page, and run the PING utility to 
troubleshoot TCP/IP problems on your network. 
1. Start a DOS window 
2. Type ping x.x.x.x, where is the IP address of Network IP Camera 
3. The subsequent replies will provide an explanation as to the case as to the cause of the problem. 
Replies can be interpreted as defined in the table below: 
PING Reply Interpretation and recommendation 
bytes = 32 time = 2 ms  The IP address is already used and cannot be used again. Your 
must obtain a new IP address 
Destination host unreachable  Network IP Camera is not accessible within your subnet. 
You must obtain a new IP address 
Request timed out  This IP address is not used by anyone and is available for use 
with your Network IP Camera 
Symptoms, Possible Causes and Remedial Actions 
 Symptoms Possible causes Remedial actions 
 54
Network IP Camera 
cannot be accessed 
from a Web browser 
The IP address is 
already used by another 
devices 
1.Disconnect your Network IP Camera from the 
network 
2. Run the PING utility (as described in PINGing 
your IP Address below) and follow 










