ADLINK Technology MXC-2300, Manual, Page: 25 / 76

PRELIMINARY
Introduction 13
MXC-2300
1.5.2 LED Indicators
In addition to the LED of the power button, three LEDs on the front
panel indicate the following.
Table 1-2: LED Indicators
1.5.3 Reset Button
The reset button executes a hard reset for the MXC-2300.
1.6 Digital I/O Connector
The MXC-2300 controller features an onboard isolated digital I/O
circuit with a 68-pin VHDCI (Very High Density Cable Intercon-
nect) connector on the front panel. The onboard digital I/O card
supports the following features:
16-CH Isolated DI
X
Logic high: 5 to 24 V
X
Logic low: 0 to 1.5 V
X
Input resistance: 8.2K @ 0.75W
X
Isolation type: photocoupler
X
Isolation voltage: 1500 V DC
16-CH Isolated DO
X
Output Type: MOSFET transistor
LED indicator Color Description
Watchdog (WD) Yellow
Indicates watchdog timer status. When
watchdog timer starts, the LED flashes.
When the timer is expired, the LED
remains lit..
Hard disk drive
(HD)
Orange
Indicates the HDD operating state.
When the SATA hard drive or CFast card
is active, the LED indicator flashes.
Diagnostic (DG) Green
When lit continuously, indicates no
physical storage is connected, and if
blinking, indicates no memory is
installed on either SODIMM socket.