2-24 427-0032-00-12 Version 170 Mar 2014
2 Basic Operation and Configuration
2.10 Restoring the Factory Settings
The camera comes configured from the factory with default settings for the IP address
(192.168.250.116), the login passwords, and all of the other configuration parameters (stored in a file
called server.ini). In some cases, it may be necessary to restore the settings of the camera to the
original factory settings. If necessary, this can be accomplished by temporarily connecting a loopback
device to the Ethernet port during initial power-up. Approximately 30 seconds after power is turned
on, the loopback should be removed to allow the camera to finish booting up.
Note
At each power-up, the system transmits a packet and then checks to determine if that same packet
has been received. Detection of the received packet indicates the camera has a custom loopback
connector installed on its Ethernet interface. The detection of the loopback packet cues the camera to
restore Factory Defaults (including the IP settings, user passwords, and configuration file), reverting to
the same configuration and behavior as when the camera left the factory.
The custom loopback connector is described below.
The RJ45 loopback termination ties pin 1 to pin 3, and pin 2 to pin 6. The other pins are not
connected. This type of device is available commercially (the Smartronix Superlooper Ethernet
Loopback Jack and Plug is one example), or it can be easily made with an RJ45 plug, a couple wires,
and a crimp tool.
The camera will not finish booting up while the loopback device is connected to the camera. The
camera will display analog video, but the Nexus Server will not start until the loopback is removed
from the camera.
Pin # Signal Tied to pin #
1Transmit + 3
2Transmit - 6
3 Receive + 1
4Unused N/A
5Unused N/A
6Receive - 2
7Unused N/A
8Unused N/A
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