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ACX1MT
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Chapter 2: Overview
2.7.5 Status USB 2.0 Module
The USB 2.0 module has a multicolor LED on both sides to indicate overall status. It also has two more LEDs on the back side to
indicate the connection status.
CPU module, rear view CON module, rear view
Figure 2-22. Status USB 2.0 module.
Table 2-28. LEDs 1 and 2: Status.
Position LED Status Description
1 Failure LED (green)
Off Connection available
On or flashing Connection failure (flashing for about 20 seconds following a connection failure)
2 Status LED (green)
Off No connection via interconnect cable
On Connection available
Table 2-29. LED 3: USB 2.0 Status.
LED color Description
Red Device ready
Green Only connection available, no USB 2.0 signal
Green/turquoise flashing Connection available, no USB 2.0 device connected (only CON unit)
Turquoise Connection and USB 2.0 signal available (operating status)