PCM -5820 Series, User Manual, Page: 38 / 120

28 PCM-5820 Series User's Manual
2.19 Ethernet LED and HDD/power LEDs
2.19.1 LED1 (Ethernet LED)
Table 2-8: Ethernet LED setup
LED Setting
Green lamp Tx
Yellow lamp Link
The LED should be set so that when the cable is connected, the
yellow lamp is activated; and when data is transmitted, the green
lamp is activated.
2.19.2 LED2 (Power and HDD LED)
Table 2-9: HDD/power LED setup
LED Setting
Green lamp Power
Yellow lamp HDD
The LED should be set so when the HDD is accessed the yellow
lamp is activated, and when the power is on the green lamp is
activated.
2.20 Watchdog timer configuration
An on-board watchdog timer reduces the chance of disruptions
which EMP (electro-magnetic pulse) interference can cause. This
is an invaluable protective device for standalone or unmanned
applications. Setup involves one jumper and running the control
software (refer to Appendix C).