Password Security Operation; Password Security Settings - GE D90 Plus Instruction Manual

PASSWORD SECURITY

Password security operation

Password security settings

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When entering a settings or command password via Ethernet or the serial USB interface,
you must enter the corresponding password level shown in the following table.
Table 42: Required password levels for various connection types
Connection type
Front panel USB
Rear Ethernet port
Connection
Rear RS485 port, with
Connection
Rear RS485 port, with
By default, when an incorrect command or setting password is entered three times within
a three-minute time span, the
allow setting or command access for the next five minutes. The operand de-asserts after
expiry of the five minute timeout.
Plus
The D90 provides a means to raise an alarm upon failed password entry. When
password verification fails while accessing a password-protected level of the relay (either
settings or commands), the
programmed to raise an alarm via contact outputs or communications. This feature can be
used to protect against both unauthorized and accidental access attempts. Therefore, to
apply this feature with security, password-protect the command level. The operand does
not generate events.
Select the Settings > Security > Password Security menu to open the password security
settings window.
Figure 543: Password security configuration settings
Passwords can consist of up to 12 alphanumeric characters, excluding all non-printing
characters as well as the "space" character (ASCII code 32), " ` " (ASCII code 60), " \ " (ASCII
code 92), " / " (ASCII code 47), and " | " (ASCII code 124). Also, the password cannot be
programmed as "0."
The settings are arranged into three groups: password settings, access supervision, and
dual-permission security access.
The following password settings are available.
setting as "Local"
setting as "Remote"
operand asserts and the D90
ACCESS DENIED
operand asserts. The operand can be
UNAUTHORIZED ACCESS
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 13: SECURITY
Password required
Local
Remote
Local
Remote
Plus
does not