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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.