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TROUBLESHOOTING

10 USB-Link 2 Technical Guide

Communication Settings and LED Descriptions

Figure 3: USB-Link 2 Conguration Switch, Communication Speed Switch, and LEDs

Communication Speed

The communication speed switch for low or high speed is found to the

left of the LEDs. See Figure 3 above. To set the communication speed

switch, insert a pen tip to move the switch up or down.

Low Speed - The switch should be set to LOW if using VCM-X or

older generation Orion Controllers, older generation Auto-Zone

Controllers, or VCB-X or GPC-XP Controllers that are set to Low

Speed.

High Speed - The switch should be set to HIGH if using Pioneer

Gold Controllers, VCCX2 Controllers, AZ2 Controllers, or

VCB-X or GPC-XP Controllers that are set to High Speed.

USB-Link 2 LED Descriptions

COMM - Indicates communication activity between the USB-Link 2

and the controller(s) that the USB-Link 2 is connected to. When

this LED is ashing, data is being exchanged.

USB TX & USB RX - Indicates communication activity between the

USB-Link 2 and the computer that the USB-Link 2 is

connected to. The LEDs will ash only when data is sent from

Prism 2 to the USB-Link 2 via USB.

NOTE: Whenever you change the conguration or

communication speed setting on the USB-Link 2,

you must cycle the power to the USB-Link 2 by

disconnecting and reconnecting the USB power

supply cable.

USB-Link 2 Switch Settings

Conguration Switch

The conguration switch for stand alone or network mode is found to the

left of the LEDs. See Figure 3 above. To set the conguration switch,

insert a pen tip to move the switch up or down.

Stand Alone - No MiniLink or CommLink - The slide switch on the

USB-Link 2 should be set to “Stand Alone” when you are trying

to talk to a stand alone controller or multiple controllers on a loop

without a CommLink or a MiniLink wired to the

communications loop.

Network - MiniLink or CommLink connection - The slide switch on

the USB-Link 2 should be set to “Network” any time there is a

CommLink or MiniLink wired to the communications loop.

AAON USB-Link 2 User Manual

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