Black Box ACKMODH4R 用户手册
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ACX1MT
724-746-5500 | blackbox.com
Chapter 6: Troubleshooting
6.2 USB-HID at the Basic Module
CPU module, rear view
CON module, rear view
Figure 6-2. USB-HID at the basic module.
Table 6-2. USB-HID at the basic module troubleshooting.
Diagnosis
Possible Reason
Measure
Keyboard LEDs Shift and Scroll are blinking
Keyboard in command mode
• Press <Esc> to leave command mode
CPU unit: LED 3 green or violet
No USB connection to CPU
• Check connection of 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 green or violet
Problems with USB connection
• Check connection of USB cable to USB-HID device.
• Remove DVI and power cable and restart CON unit. Connect
power cable first.
USB device without function
No USB-HID device
• Connect USB-HID device.
USB-HID device is not supported
• Contact Black Box Technical Support at 724-746-5500 or
info@blackbox.com if necessary.
6.3 Serial Connection Upgrade Module
Table 6-3. Serial connection upgrade module troubleshooting.
Diagnosis
Possible Reason
Measure
Serial device not operational
Settings of the serial interface
• Check baud rate and general settings.
No serial connection to CPU
• Check connection via serial cable.
No serial connection to end device (for example,
touchscreen, keyboard)
touchscreen, keyboard)
• Connect serial end device and switch it on.
• Check connection via serial cable.
Touchscreen not operational
Hardware handshake
• Adjust serial interface to X-ON/X-OFF software handshake.