70
Appendix B LEDs
MPU LEDs
Figure 54
LEDs on the MPU
Table 27
Firewall running status LED description
LED Status
Description
Off
No link is present.
(green)
Management
port/HA port link
status LED
On
A link is present.
Off
No data is being received or transmitted.
(yellow)
Management
port/HA port
data transmission
LED
On
Data is being received or transmitted.
Off
No CF card is present or the CF card is not recognizable.
On
A CF card is in position and has been detected.
(green)
CF card LED
Flashing
The CF card is performing a read or write operation. In this
state, do not remove the CF card.
Off
No power input is available, or the MPU has failed.
Slow
flashing
(1 Hz)
The MPU is operating properly.
Fast
flashing
(8 Hz)
The application software is being loaded (in this case,
never power off the device or hot-swap the MPU; otherwise
the MPU may be damaged).
(green)
Run LED
Resettin
g
Off after the firewall is reset, and flashes after the firewall
is started.
Содержание A-F5000
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