48 GE INFORMATION D20MX INSTRUCTION MANUAL
CHAPTER 3: CONNECTING TO DEVICES AND NETWORKS
You may override or disable the derived IP address by defining a host with the desired IP
address. Use an IP address of 0.0.0.0 to disable the derived IP address. Define the host in
the SGConfig tool > D20MX Device Wizard > Define the LAN properties for this project
screen (see
Figure 17 for an example).
When transferring a redundant D20/D200 in a ConfigPro or SGConfig project configuration
to a D20MX ensure the new D20MX standby IP addresses do not conflict with other devices
in the project. If they do, you may disable the standby IP addresses or reassign them as
described in the previous paragraph. If there are any conflicts, the WESMAINT error log of
the D20MX will log warnings such as the following:
1 ROOT N0: W001: IP of RDT1 same as CCUB
where RDT1 is the host name of the device with a conflicting IP address.
Figure 17: SGConfig - example of overriding derived IP address by defining a hostname
Each host consists of a host name and host address. Construct the host name by replacing
the last two characters of the D20MX Host Name with a two character suffix that matches
the derived IP address you wish to override or disable. The suffix conventions are shown in
Table 18. The D20MX Host Name appears in the D20MX Device Wizard as shown in
Figure 18.
CCU A Redundant Standby,
Debug or
Disabled.
Derived IP Address: LAN A
IP Address + 1
Mask: LAN A subnet mask
(e.g. 192.168.1.2 /
255.255.255.0)
Derived IP Address: LAN B
IP Address + 1
Mask: LAN B subnet mask
(e.g. 192.168.2.2 /
255.255.255.0)
CCU B Redundant Standby,
Debug or
Disabled.
Derived IP Address: LAN A
IP Address + 2
Mask: LAN A subnet mask
(e.g. 192.168.1.3 /
255.255.255.0)
Derived IP Address: LAN B
IP Address + 2
Mask: LAN B subnet mask
(e.g. 192.168.2.3 /
255.255.255.0)
CCU A/B Redundant or
Standalone
Service Mode Not enabled Not enabled
CCU Redundant
System
Mode LAN A IP Configuration LAN B IP Configuration (If
Configured)
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