B&B Electronics VESR9xx - Fiber Models - Manual - Manual (Page 14)

Hardware
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LINK LED
The Link LED illuminates (green) if the Ethernet connection is operating in 100BaseTX
mode. The LED is 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
VESR901-x serial servers feature one serial port. VESR902D,and VESR902T-x 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.
LED INDICATORS (VESR 92X)
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