Lantronix XPress-DR XPress-DR / XPress-DR-IAP - User Guide - Page 27

LEDs, Table 5 - DSTni-XPress DR, LED Functions, Table 6 - LED Error Indications

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Introduction 1.10 LEDs The device contains the following LEDs: • Two Green (R for ready, L for link) • Three Yellow (A for active, serial transmit, and serial receive) • One Red (F for fault) READY FAULT ACTIVE LINK RESET F R A L RS232 RECEIVE TRANSMIT RS485 10/100BASE-T SERIAL Table 5 - DSTni-XPress DR LED Functions LED R (Green) L (Green) A (Yellow) TXD (Yellow) RXD (Yellow) F (Red) Meaning Ready (Solid=ready, blinking = error message, port busy) Link (socket connection made) = Solid Activity (network) = Random Flashing Transmitting serially = Flashes during transmit Receiving serially = Flashes during receive Fault in XPress DR communication (read error) or XPress DR is in Configuration Mode Simultaneously lit F (Red) and R (Green) LEDs mean something is wrong. If the F (Red) LED is lit or blinking, count the number of times the R (Green) LED blinks between its pauses. Six possible blink patterns, detailed in the following table, indicate which fault condition exists. Table 6 - LED Error Indications LED Steady F (Red) and Blinking R (Green) Blinking F (Red) and blinking R (Green) Error 1 blink = EPROM checksum error 2 blinks = RAM error 3 blinks = Token Ring error 4 blinks = EEPROM checksum error 1 blink = Faulty network connection 2 blinks = No DHCP response 4 blinks = Setup Mode DSTni-XPress DR User Guide 1-13

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Introduction
1.10 LEDs
The device contains the following LEDs:
•
Two Green (R for ready, L for link)
•
Three Yellow (A for active, serial transmit, and serial receive)
•
One Red (F for fault)
RESET
10/100BASE-T
SERIAL
RS232
RS485
F
R
A
L
READY
LINK
RECEIVE
ACTIVE
TRANSMIT
FAULT
Table 5 - DSTni-XPress DR
LED Functions
LED
Meaning
R (Green)
R
eady (Solid=ready, blinking = error message, port
busy)
L (Green)
L
ink (socket connection made) = Solid
A (Yellow)
A
ctivity (network) = Random Flashing
TXD (Yellow)
Transmitting serially = Flashes during transmit
RXD (Yellow)
Receiving serially = Flashes during receive
F (Red)
F
ault in
XPress DR
communication
(read error) or
XPress DR
is in Configuration Mode
Simultaneously lit F (Red) and R (Green) LEDs mean something is wrong.
If the F (Red)
LED is lit or blinking, count the number of times the R (Green) LED blinks between its
pauses.
Six possible blink patterns, detailed in the following table, indicate which fault
condition exists.
Table 6 - LED Error Indications
LED
Error
Steady F (Red) and
Blinking R (Green)
1 blink = EPROM checksum error
2 blinks = RAM error
3 blinks = Token Ring error
4 blinks = EEPROM checksum error
Blinking F (Red) and
blinking R (Green)
1 blink = Faulty network connection
2 blinks = No DHCP response
4 blinks = Setup Mode
DSTni-XPress DR User Guide
1-13