B&B Electronics VESR4X4 - Manual - Manual (Page 12)

Section 2 - VESR4x4 Hardware Vlinx VESR4x4 Serial Server
Page 12 of 70
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Figure 3. Front Panel of the VESR424D
Power LED
The Power LED illuminates when 10 to 58 VDC power is applied to either
power connector.
Ready LED
The Ready LED (green) illuminates continuously while the unit is initializing. It
flashes once per second when the system is operating correctly. If the LED is
not flashing, it indicates that something is wrong (e.g. another device on the
network at the same IP address).
Ethernet Speed LEDs (1 & 2)
The Ethernet Speed LED illuminates (green) if the Ethernet connection is
operating at 100Mbit/sec. The LED is off if the connection is operating at
10Mbit/sec.
Ethernet Link LEDs (1 & 2)
The Ethernet Link LED illuminates when a connection has been made. It
flashes when there is data traffic on the Ethernet link.
Serial Port LEDs (P1, P2, P3 & P4)
Each serial port has an associated LED. Serial Port LEDs flash (green) when
data is being transmitted or received on the serial ports. When the LED is
illuminated it indicates the serial port is open.