2-3
Chapter 2: Technical Specifi cations and Installation
2.1.3. AOC-SIM1U-3B(+) Rear LED Description
#3 Heartbeat LED Indicator
Heartbeat LED (marked #3 above), lo-
cated on the rear side of the AOC-SIM1U-
3B(+) card, indicates the functionality and
activity of the add-on card. When the
Heartbeat LED blinks, the AOC-SIM1U-
3B(+) is active. However, after each AC
power-on or reset, the Heartbeat LED is
off for about a minute. Then, the Heart-
beat LED will be on again to indicate that
the AOC-SIM1U-3B(+) is active. See the
table on the right for details.
Heartbeat LED
On (Blinking)
SIM1U-3B(+): active
Off (for 1
minute)
Loading Firmware
Off (Continu-
ously)
SIM1U-3B(+) is not
active
AOC-SIM1U-3B(+) Rear View
AOC-SIM1U-3(+) Rear Components
1. The Raritan Kira 100 Processor
2. Flash Memory
3. Heartbeat LED
2.1.2 Rear Component and LED Locations
1
2
3
Kira 100 Processor
Flash Memory
Heartbeat LED
(
*Note
: " " or " " indicates Pin 1.)