Auto-Zone Control Systems USB-Link 2 Technical Guide, Installation Instructions for the USB-Link 2 (Version 01E) - Manual (Page 10)

USB-Link 2
10 Technical Guide
Communication Settings and LED Descriptions
Figure 3: USB-Link 2 Confi 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 an Orion
Controls System Controller.
High Speed - The switch should be set to HIGH if using an AZ2
System Controller.
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 fl 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 con-
nected to. The LEDs will fl ash only when data is sent from Prism
2 to the USB-Link via USB.
NOTE: Whenever you change the confi 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
Confi guration Switch
The confi guration switch for stand alone or network mode is found to the
left of the LEDs. See Figure 3 above. To set the confi 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.
STAND ALONE
NETWORK
Configuration
Switch
LEDs
Communication
Speed Switch