Feb 08

It is recommended to configure the preamble on your VDI-624 before your wireless adapters. You may need to set the preamble on all wireless clients.

Step 1: Open a web browser and type the IP address of the VDI-624 in the address bar (default is Press Enter.

Step 2: The default username and password is listed below for your version of firmware:

# Firmware 2.39DDM – The default username is admin and the default password is blank (nothing).
# Firmware 2.43 Build 12 – The default username is admin and the default password is password.

Click OK.

Step 3: Click the Advanced tab at the top and then click Performance on the left.


Step 4: Select Short Preamble or Long Preamble next to Preamble Type. If you experience lock-ups when transferring large files, then select Short Preamble. You must also match your other wireless devices with the same preamble setting.

Note: The preamble defines the length of the CRC block for communication between the wireless access point and the roaming wireless network adapters. CRC (Cyclic Redundancy Check) is a common technique for detecting data transmission errors.

Step 5: Click Apply and then click Continue to save the new settings.

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