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Lantronix
SESPM1040-541-LT-xx Install Guide
33772 Rev. F
Page
44
of
64
3. Link Activity
: amber LEDs from top to bottom:
Port 1: off = no activity; on = link activity.
2: off = no activity; on = link activity.
3: off = no activity; on = link activity.
4: off = no activity; on = link activity.
Port 5 (included combo port): off = no activity; on = link activity.
Port 6 (optional combo port): off = no activity; on = link activity.
CPU Port: off = no CPU activity; on = CPU activity.
4. CPU Heartbeat LED
: Blue LED off until device fully booted.
5. System Ready LED
: Green LED off until fully booted; then on
green.
4 and 5
. The blue CPU Heartbeat LED and the green System Ready LED right below it flash in unison when the
system has successfully booted and a firmware upgrade is not in process. They slow flash together during a
firmware upgrade, then revert to heartbeat pattern when firmware upgrade is done -- success or fail.
Switch LEDs (6, 7, and 8)
:
6. Power Off / On Yellow LED
:
Off = no power; On = powered.
7. BLE Ready state Green LED
: Lit most of the time, with a slight flicker to indicate when the BLE radio is ready to
pair with a smart device running the Switch Manager app. Flashing at boot; BLE disabled. Flashes slow if BLE
ready and heartbeat OK. Then blue heartbeat LED lights.
BLE Ready state: constant off = not ready; on (green but blinking off about every 10 seconds) = ready.
8. BLE Paired state Blue LED
: Off = not paired; On = paired.
Removing the Switch
Caution
: Disconnect the grounding only after disconnecting all other cables. To remove (uninstall) the switch:
1.
Disconnect the data cables.
2.
Disable the supply voltage.
3.
Disconnect the grounding.
4.
Unmount the switch.
5.
Place the switch in the original shipping package.