8 Troubleshooting
119
MIB / RS232
USB
Symptoms Cause of Failure Failure Isolation and Remedy
External device not
receiving data
The MIB/RS232 port is not configured for
data export.
Check the configuration of the MIB/RS232
ports in Configuration Mode.
The wrong data export protocol driver is
configured in the monitor.
Check the export protocol required by the
attached device, and configure the monitor
accordingly.
The cable between the external device and
the monitor is not connected correctly or
defective.
Check the cable and replace it if necessary.
The external device does not support the
version of the data export protocol used in
the monitor.
Check if the device supports the version of
the data export protocol. Upgrade the
device or the monitor if necessary (if
matching versions exist).
A terminal concentrator is used in between
the device and the monitor, and a protocol
with dynamic speed negotiation is used.
Some terminal concentrators do not
support changing the transmission speed
(baud rate) dynamically. Check if the
connection works without the concentrator.
The MIB/RS232 board is in the wrong slot
(slot has been changed after software
configuration, or an additional board has
been plugged in).
Verify the correct placement of the I/O
boards.
The MIB/RS232 board, or the connector
board (depending on which RS232 port is
used) is defective.
Check the board and replace it if necessary.
Detailed Protocol
Problem
Consult the Data Export Protocol
document.
Symptoms Cause of Failure Failure Isolation and Remedy
None of the
connected devices are
functioning.
The USB port in the monitor is
defective.
Depending on location of USB port, exchange
either side USB connector, standard system
interface board, or advanced system interface board.
An invalid combination of connected
devices is present, or the connected
devices are defective.
Make sure the combination of the connected
devices is valid. Replace the defective devices if
necessary.
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