TRANSIT ENTRY | INSTALLATION GUIDE
LED Indications
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5 LED INDICATIONS
A number of LED’s indicate the current status of the TRANSIT Entry reader.
Figure 21: LED locations
Table 1 below describes the function of each LED.
RX
LED bar indicating the received tag signal strength. This LED bar
may also indicate the presence of radio interference. In case of
interference, try switching to a different frequency. See chapter 6.
Read Disable LED. On while reading disabled. See chapter 3.5.2.
IN1
Input 1 status. On when input 1 contact is closed. See chapter
Transmit serial data (RS232, RS422, USB, I/F-board).
Receive serial data (RS232, RS422, USB, I/F-board).
Identification. Blinks fast when a valid transponder is identified.
STS
Status LED.
Slow blinking: System’s heartbeat (0.8 sec on / 0.8 sec off).
Indicates that the power is on and the processor
is running.
Fast blinking: Bootloader says hello. Indicated after a restart.
Twice blinking: Configuration menu active.
Squelch enabled. See chapter 7.
Squelch active. See chapter 7.
Power supply voltage too high. See chapter 3.3.
Power supply voltage too low. See chapter 3.3.
Internal supply voltage failure. See chapter 3.3.
Temperature critically high.
PLL UL
PLL unlocked. Try switching to a different frequency. See chapter
Table 1: LED indicators
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