172 - Troubleshooting and Technical Support DeviceMaster Installation and Configuration Guide: 2000594 Rev. F
Troubleshooting and Technical Support
The EEPROM memory is programmed with a number of default values. The values that you can modified are
shown in the following table.
Clearing the Flash
The flash only has program binaries. There is no user data stored in the flash. If it is necessary to erase the
binaries, the default application (SocketServer.bin) can be erased using the fis init command from the
DeviceMaster using a serial connection, that is Port 1 through a null-modem cable and a COM port.
See Establishing a Serial Connection
on Page 132 (Steps 1 through 6) to access RedBoot and enter fis init -f at
the RedBoot prompt.
There is no easy way to remove the bootloader binary. Removal of the bootloader binary would leave the
DeviceMaster inoperable and require that it be returned to the factory to be reprogrammed.
Clearing EEPROM
The user configurable values in the EEPROM, can be accessed and set in three different ways. All of the
values can be set using a serial connection (Port 1 with a null-modem cable connected to a COM port). Most of
the values can be accessed by using the Web Server (SocketServer or NS-Link equivalent) or telnet. Refer to
the appropriate procedure for your situation:
• Telnet Access
• Serial Port Access on Page 173
• Web Server Access
on Page 173
Telnet Access
Use this procedure to access the DeviceMaster configuration through telnet,
Note: To reset authentication, see Serial Port Access
on Page 173 or use the RedBoot Command Overview on
Page 137.
1. Open a telnet session, enter the DeviceMaster IP address. If using Windows, open a Command window
and type telnet [ip_address].
Note: Press the Enter key if you have not programmed a password or use the password previously
configured. The DeviceMaster does not come pre-programmed with a password.
2. To return the IP address to the default value, type ip 192.168.250.250 255.255.0.0 192.168.250.1 and press
Enter.
Parameter
Name
Default Value
User
Configurable
Web or
Telnet
Console
Port
Port
Authentication None Yes No No Yes
IP Address 192.168.250.250 Yes Yes Yes Yes
IP Mask 255.255.0.0 Yes Yes Yes Yes
IP Gateway 192.168.250.1 Yes Yes Yes Yes
Password Blank Yes Yes No Yes
Telnet Enable Yes Yes Yes Yes
Telnet Timeout 300 sec. Yes Yes Yes Yes
Bootloader
Timeout
15 sec. Yes Yes Yes Yes
SNMP Enable Yes Yes Yes Yes
SSL† Disable Yes Yes Yes Yes
† SSL is a security feature available with SocketServer v7.00 and later.
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