Bosch B420 - Maintenance and troubleshooting LEDs (continued)

6
Maintenance and troubleshooting LEDs (continued)
Flash pattern
Function
RX (Receive) Flashing
Occurs when the module receives a message over the network
connection – UPD, TCP, or DNS.
TX (Transmit) Flashing
Occurs when the module sends a message over the network
connection – UPD, TCP, or DNS.
Table 3 Ethernet Link LEDs descriptions
LINK (yellow) LED pattern
100Mb (green) LED pattern
Function
Off
Off
No Ethernet link
On Steady
Off
10Base-T link
Flashing
Off
10Base-T activity
On Steady
On Steady
100Base-TX link
Flashing
On Steady
100Base-TX activity
Table 4 Ethernet Link LEDs descriptions