Detailed NetLinx (Link/Act and Status) LED Behavior
The tables below provide detailed descriptions of all blink patterns for the NetLinx Link/Act and Status LEDs on the
front of the Transmitter and Receiver units.
Note: The term "light show" refers to the back-and-forth scanning pattern of the LEDs associated with the
LEDs on the DXLink Transmitter and Receiver.
DXLink Fiber TX/RX Operational State as Indicated by LEDs
To determine the operational state (normal boot) of a DXLink Fiber Transmitter or Receiver by its LEDs, check both the
Link/Act and Status LED columns.
NetLinx LED Behavior and Operational State
Link/Act LED
ON when connected to the
switcher (which contains an
integrated Master).
Blink OFF with data.
OFF
Fast blink, then normal
operation.
OFF during light show, then
normal operation (OFF until
connected to Master).
ID Pushbutton Boot State and LED Behavior
To monitor the ID Pushbutton boot state of a DXLink Fiber Transmitter or Receiver by its LEDs, check both the
Link/Act and Status LED columns.
ID Pushbutton Boot and NetLinx LED Behavior
ID Pushbutton Boot States
Boot with ID Pushbutton held
down.
ID Pushbutton held down long
enough for reset to default
parameters.
ID Pushbutton held down long
enough for reset to default
firmware image.
In Auto ID mode.
ID Pushbutton held down long
enough to accept new ID.
After boot: ID Pushbutton held
down, but not long enough for
IP mode change.
After boot: ID Pushbutton held
down long enough for IP
mode change.
Instruction Manual – DXLink Fiber™ Transmitters and Receivers, Duplex
Status LED
Follow Master's instruction for Blink Message
if online with Master, otherwise ON.
ON
ON
Fast blink (continues only during light show),
then ON until first blink from Master.
Link/Act LED
Slow blink (1 Hz)
Fast blink until ID Pushbutton is released,
then OFF
Solid ON, transitions to OFF once the unit
completes writing to flash and is ready to
reboot.
Normal
2 blinks, then normal
Slow blink (1 Hz)
Fast blink, then OFF
Installation and Setup
DXLink Fiber TX/RX Operational State
Normal Online with Master (rest)
Normal Boot (DHCP found)
Note: This state continues from the time
an IP address is obtained until the device
is online with the Master.
Normal Boot (DHCP, no server)
Note: This state continues until a valid
IP address is obtained.
Normal Boot (Static IP)
Note: This state continues until the
device finishes its light show.
Status LED
Slow blink (1 Hz)
Fast blink until ID Pushbutton is
released, then OFF
Solid ON, transitions to OFF once the
unit completes writing to flash and is
ready to reboot.
Blink (2 Hz)
2 blinks, then normal
Slow blink (1 Hz)
Fast blink, then OFF
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