Moxa Technologies CP-168U - Manual (Page 36)

3-20 Smartio CP-168U User’s Manual
4. Select an Rx FIFO Trigger from the Rx FIFO Level pull-down list. Rx FIFO trigger
levels from High to Low are available, with a default value is High Level (120 bytes).
Check Set the change to all ports check-box to apply the just defined Rx FIFO
Trigger to all ports.
5. Select a Tx FIFO Size from the Tx FIFO Level pull-down list. Tx FIFO Level from
High to Low are available, with a default value is High Level (128 bytes). Check Set
the change to all ports check-box to apply the just defined Tx FIFO Size to all ports.
CP-168U v2 CP-168U v1
Tx FIFO Rx FIFO Tx FIFO Rx FIFO
High 128 120 64 56
Middle 64 60 32
28
Low 1 1 1 1
Unit: Bytes
6. Click on OK in the Port X dialog box to confirm the port settings, and then click on
OK in the Property dialog box to complete the port settings.
MOXA PComm Utility
This utility, which comes with MOXA PComm Lite, provides a convenient way to
diagnose problems with Moxa boards, and provides internal and external testing of IRQ,
TxD/RxD, UART, CTS/RTS, DTR/DSR, etc. This program can verify the correct
operation of both the H/W and S/W for all Moxa boards and ports.
Event Log
To check the Event Log for MOXA boards, click Start " Settings " Control Panel "
Administrative Tools " Event Viewer, to enter the Event Viewer program. You may
find the latest information relevant to the Moxa driver in the system category.