UPASS REACH | INSTALLATION GUIDE
LED Indications
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5 LED INDICATIONS
A number of LED’s indicate the current status of the uPASS Reach reader.
Figure 23: LED locations
Table 1 below describes the function of each LED.
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.
Input 1 status. On when input 1 contact is closed. See chapter 3.5.3.
ID
TRANSIT compatible processor ID LED. Blinks when a NEDAP UHF XS tag is
TRANSIT compatible processor status LED.
SQ-ACT
Squelch active. When squelch is enabled and the transponder return
signal below threshold level.
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. Error indication only. No direct hardware action
USTS
UHF processor status LED. Should be slowly blinking. On when bootloader
Tag found. RN16 received.
Tag data read complete. On when bootloader invoked.
Error during tag identification.