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D20MX Processor
Security
D20MX applications
License
D20MX
Application Name
Group
Application
ID
Common Application Definitions
001
A009
PG&E DPA
A026-1
Communication
Watchdog DTA
16
The D20MX is a single board computer built around a 667 MHz embedded PowerQUICC II
Pro processor. The D20MX permits the D20 to be NERC CIPS compliant and introduces
compliance to IEC standards; refer to Appendix A, Standards & Protection for the complete
listing.
The D20MX can be retrofitted into either a D20 3U single-node VME chassis or D20 3U non-
VME chassis. In a single-node VME chassis, this one processor module replaces the
previous D20 M, M++, ME, and MEII CPU cards.
Due to aging printed circuit board assembly and mechanical constraints, only certain
chassis from 2002 and onward can be used with a D20MX. This comprises the following
chassis:
•
D20 VME chassis 500-0280 Release 08 or higher,
•
D20 Non-VME chassis 500-0305 Release 18 or higher
A solid partition between the Main processor bay and accessory bay prevents access to
the harness from the fiber card to D20MX card (only applicable to the 526-3005LF fiber
card version).
The D20MX provides the following new security improvements over its predecessors:
•
Centralized user authentication and authorization (RADIUS), including integration with
Microsoft Servers using NPS
•
Role Based Access Control (RBAC) keeping operator and engineering activities
separated, logged and simple
•
NERC compliant passwords, with strong complexity rules and one-way encrypted
•
Full auditing including Syslog integration to enterprise systems
•
SFTP for secure network-based firmware upgrades and configuration file transfers
•
SSH for secure network access to WESMAINT II+.
To take advantage of these improvements, refer to the WESMAINT II+ for the D20MX
Configuration Guide (B014-1NCG) for details of these security features of the D20MX.
Table 2 lists the applications included in the D20MX firmware.
The applications that changed or were added from the previous release is indicated in the
Changed column where:
•
New indicates that the application definition is new to this release.
•
Yes indicates that the application definition is updated for this release.
For more information about the changes, contact customer support.
The Application Definition Version column indicates the application definitions in the
SAN0001 file.
Table 2: D20MX application definitions
Description
Pacific Gas and Electric (PG&E) data-processing application
(DPA) for remote terminal units (RTUs).
Reports on the state of communications between the RTU
and a remote device (Data Translation Application).
GE INFORMATION
CHAPTER 1: BEFORE YOU START
Application
Changed
Definition
Version
805
New
321
D20MX HARDWARE USER'S MANUAL
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