XR Series Installation Instructions 29
6.5 Diagnostic Indicator Lights
Figure 6.3 Lights and switches on the XR 2000 controller board
3.3V Light Turns on when voltage is supplied to the controller board.
12V Light Turns on when voltage is supplied to the display boards.
STATUS Light The STATUS light blinks when power is applied to the unit.
Rapid blinking (3 times per second) indicates that the XR is in
Auto-Learn mode, attempting to interpret a data string.
Regular blinking (once per second) indicates that the XR has
successfully learned a data string and is running properly.
COM Light The COM light flashes on each time the XR receives a character
through any of its COM Ports (including the radio). Only on the
XR2000 controller board
RS232 Light Flashes on each time the XR receives a character through the
RS232 port.
RS485 Light Flashes on each time the XR receives a character through the
RS485 port.
20mA Light Flashes on each time the XR receives a character through the
20mA Current Loop port.
RADIO Light: The RADIO light flashes on when the XR’s radio module receives
data. This light will only illuminate if the radio module is installed.
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