Lantronix 900-422 User Manual

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Chapter 4: XPress DR+W 
 XPress DR+ User Guide 
32 
LEDs 
Table 4-1. XPress DR+W LED Functions 
LED 
Status 
Meaning 
Serial port - TXD LED (Yellow)
 
Off 
No data being transmitted from XPress DR+
Blinking 
Data being transmitted from XPress DR+ 
Serial port - RXD LED (Green)
 
Off 
No data being received by XPress DR+
Blinking 
Data being received by XPress DR+ 
Ethernet port - 10/100 Link (Green) 
 
  
Off 
No Ethernet link established.
 
Steady On 
Ethernet link established. 
Ethernet port – Activity (Yellow) 
 
  
Off 
No data activity
Blinking Data 
activity 
Power/Diagnostic LED (Orange)
 
Steady On 
Power OK
Blinking 2x 
No DHCP response 
Blinking 2x 
Setup Menu active
 
 
Wireless LED (Yellow) 
Off 
Wireless off (not configured for wireless)
Off 
Wireless on, searching  
Blinking (very short) 
Wireless on, attempting to associate  
On 
Wireless on, associated, power management off  
On when receiving or 
transmitting, off in-between 
Wireless on, associated, power management on 
 
Required Information for Initial Configuration 
Hardware Address  
Take note of the unit’s hardware address (also known as MAC address). It is on 
the product label, in the format: 00-20-4a-XX-XX-XX, where the XXs are unique 
numbers assigned to the product. 
Hardware Address
:  00-20-4a-_____-_____-_____  
IP Address 
The XPress DR+W must have a unique IP address on the network. The systems 
administrator generally provides the IP address, subnet mask, and gateway.