Hardware
LED Indicators (VESR92x)
VESR92x Serial Servers have four LED indicators:
E1 and E2 LEDs
, a
Ready LED
and two
Serial Port
LEDs
.
Figure 4. LEDs on 1 and 2 Port Serial Servers
E1 and E2 LEDs
The
E1 and E2
LEDs illuminate (green) if the Ethernet connection is
operating in 100BaseTX mode. The LEDs are off if the mode is 10BaseT.
When the LED is blinking it indicates that there is data traffic on the Ethernet
link.
Ready LED
The
Ready
LED (green) blinks once per second if the system is operating
correctly. If the LED is off, it indicates the system is not operating correctly.
Serial Port LEDs
VESR921-x serial servers feature one serial port. VESR922x, serial servers
feature two serial ports. Each serial port has an associated LED. Serial Port
LEDs blink (green) when data is being transmitted or received on the serial
port. When the LED is On it indicates the serial port is open.
Manual Document Number: VESR9xx-4210m
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