W&T Com-Server++, Manual

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W&T
LED displays
Subject to error and alteration
2 x flashing = Check serial data format
The serial port received at least one character with a parity
or framing error (= parity error / framing error), or the
data register of the serial receiver ship was written even
though the previous character was not read out. Check the
correctness of the serial parameters, the handshake proce-
dure and the connection cable.
3 x flashing = Check serial handshake
The serial connected device is not responding to the hand-
shake stop signal set by the Com-Server and continues to
send data. The result can be that the serial ring memory
is overwritten and data are lost. Check the handshake
configuration of the device as well as the wiring of the
connection cable.
All LEDs on = Self-test error
The self-test performed after each start or reset of the
Com-Server could not be correctly finished. This error can
occur when you have prematurely broken off a software
update and the full operating software could not be trans-
ferred. The Com-Server is no longer capable of being ope-
rated in this condition. Repeat the software update over
the network (see
Firmware update of the Com-Server ), and
address the Com-Server using its assigned IP address.
If the fault cannot be remedied, the problem may lie with
the hardware.
Speed Speed Link/Activity
OFF : Simultaneous illumination/flashing of the Link/Acti-
vity LED means there is a link to a device at a rate of 10
MBit/s (10BaseT).
ON : Simultaneous illumination/flashing of the Link/Acti-
vity LED means there is a link to a device at a rate of 100
MBit/s (100BaseT)