Black Box ACKMOD21R, ACXMODH4, ACXMODH2 manual Troubleshooting, USB 2.0 Upgrade Module, Page, 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
		• Check connection USB cable to CPU; select another USB port
CPU unit: All LEDs off	No connection to CPU	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.
	No USB 2.0 device	• Connect USB 2.0 device.

CON unit: LED 3 flashing green/turquoise and USB 2.0 device without function

•Check installation at the CPU. Also check to make sure the

CPU has the necessary drivers.

USB 2.0 device is not supported	• New connection of the USB 2.0 device.
	• Contact Black Box Technical Support at 724-746-5500 or
	info@blackbox.com if necessary.

ACX1MT 724-746-5500 blackbox.com Page 47