Echelon SmartServer 2.2 Hardware - Manual (Page 35)

LON BIU/RX For PL models of the SmartServer, this LED is the Band In Use (BIU)
indicator. It lights whenever there is a signal present on the band that is
greater than 80dBµVrms (between 131.5kHz and 133.5kHz). If this LED is
on, the SmartServer cannot transmit L
ON W ORKS data.
For FT models of the SmartServer, this LED is the receive transmission
(RX) indicator. It lights when the SmartServer receives L
ON W ORKS data.
LON PKD/TX For PL models of the SmartServer, this is the Packet Detect (PKD)
indicator. It lights whenever the SmartServer receives a valid LonTalk
packet that has a signal greater than 36dBµVrms.
For FT models of the SmartServer, this LED is the transmit data indicator.
It lights when the SmartServer transmits L
ON W ORKS data.
Using the SmartServer Service and Reset Buttons
The SmartServer has two recessed push buttons: a service button and a reset button. You can use the
service button to commission the device or perform a security access reset. You can use the reset
switch to reboot the SmartServer. The following figure and table display and describes these buttons.
Service
Button Sends a L ON W ORKS service message to the L ON W ORKS channel on which the
SmartServer is attached.
You can press the service button to commission the SmartServer with a
network management tool such as the LonMaker tool or the SmartServer.
You can also press and hold the service button, and then press and hold the
reset button for approximately 10 seconds to perform a security access reset.
Reset Button Reboots the SmartServer. The reset button is located directly below the Output
LEDs. You can press and release the reset button using a small wire, such as a
straightened paper clip, to reboot the SmartServer.
WARNING: Only use this reboot method if you cannot use the SmartServer
Web pages or the console application to reboot the SmartServer. Using the
SmartServer Web pages or the console application enables the SmartServer to
shutdown in an orderly manner before rebooting. Pressing the reset button can
corrupt files being written to the SmartServer flash disk.
• To reboot your SmartServer using the SmartServer Web pages, right-click
the local SmartServer, point to Setup, and then click Reboot on the
SmartServer 2.2 Hardware Guide 23