VESR424D Serial Server
9
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.
NOTE: LEDs on the serial server are also used to indicate various Reset Modes, as described in the following section.
RESET SWITCH
A recessed momentary
Reset
switch is located on the side of the enclosure. To activate the
switch, insert a small plastic tool through the hole in the enclosure and press lightly.
Figure 3. Side View of Serial Server
The Reset Switch is used to:
•
Initiate a Hardware Reset
•
Enter Console Mode
•
Reload Factory Defaults
