Lantronix 10 User Manual

Page of 139
Introduction 
 
1-10
 
UDS-10 User Guide
 
1.9 LEDs 
The device contains the following LEDs:   
link
net Tx/Rx
collision
diagnostic
status
 
Table 2 - UDS-10  LED Functions 
LED 
Meaning 
L (Green) 
Lights solid green to indicate network port is 
connected to the network. 
Net Tx/Rx (Yellow) 
 
Blinks yellow to indicate network packets are 
transmitting and receiving. 
Collision (Red) 
Lights solid red to indicate network collisions. 
Diagnostic (Red) 
 
Blinks or glows red in combination with the green 
Status LED to indicate 
error detection. 
Red solid, green (Status LED) blinking: 
1x: EPROM checksum error 
2x: RAM error 
3x: Token Ring error 
4x: EEPROM checksum error 
5x: Duplicated IP address on the network 
Red blinking, green (Status LED) blinking: 
4x: Faulty network connection 
5x: No DHCP response received 
 
Status (Green) 
 
Lights solid green to indicate that the physical serial 
port does not have a connection to or from the 
network. 
Blinks green to indicate that the physical serial port 
does have a connection to or from the network.