Black Box ACKMODH4R, ACXMODH4, ACXMODH2, ACXMODH-RMK, ACX1MT Troubleshooting, USB-HID Upgrade Module

Chapter 6: Troubleshooting

6.6 USB-HID Upgrade Module

CPU module, rear view CON module, rear view

Figure 6-4. USB-HID at the basic module.

Table 6-6. USB-HID upgrade module troubleshooting.

Diagnosis	Possible Reason	Measure
		• Check connection of USB cable to USB-HID device.
		• Connect USB-HID device.
LEDs 1 and 2 off	Device at higher/lower USB-HID port not detected	• Contact Black Box Technical Support at 724-746-5500
		or info@blackbox.com or your local Black Box subsidiary if
		necessary.
CPU unit: LED 3 off	Connection between CON unit and CPU unit	• Check interconnect cable and connectors.
CON unit: LED 3 off	Keyboard in command mode	• Press <Esc> to leave command mode.
	Connection between CON unit and CPU unit	• Check interconnect cable and connections.
CON unit: LED 3 flashing slowly
	Keyboard in command mode	• Press <Esc> to leave command mode.

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