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724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 47
ACX1MT
Chapter 6: Troubleshooting
6.7 USB 2.0 Upgrade Module
CPU module, rear view CON module, rear view
Figure 6-5. USB 2.0 upgrade module.
Table 6-7. USB 2.0 upgrade module troubleshooting.
Diagnosis Possible Reason Measure
CPU unit: All LEDs off No connection to CPU
• Check connection USB cable to CPU; select another USB port
if necessary.
• Remove USB and power cable and restart CPU. Connect
power cable first.
CON unit: LED 3 red Connection between CON unit and CPU unit • Check interconnect cable and connectors.
CON unit: LED 3 flashing green/turquoise and
USB 2.0 device without function
No USB 2.0 device • Connect USB 2.0 device.
USB 2.0 device is not supported
• Check installation at the CPU. Also check to make sure the
CPU has the necessary drivers.
• New connection of the USB 2.0 device.
• Contact Black Box Technical Support at 724-746-5500 or
info@blackbox.com if necessary.