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Barco – TransForm A – DOC-3358-2 – service manual – Revision 06 – March 2007
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4-22
4.6
Multiport I/O Card
The Multiport I/O Card supports two serial devices. Up to three cards can be inserted into one P
ROCESSOR
.
Jumper settings
Before inserting a Multiport I/O Card the jumper on the board has to be set in the correct way. The following
positions for
JP1
can be chosen:
pin
max. speed in bps
meaning
2 and 3
921600
recommended, enhanced speed option
1 and 2
115200
compatibility speed for direct port access
Figure 4-5
jumper setting on Multiport I/O Card
Configuration
The configuration script runs automatically after rebooting the P
ROCESSOR
. The devices are named according to the
table below, depending on the number of inserted Multiport I/O Cards, multiple devices are added:
connection
device
(only relevant for T
RANS
F
ORM
A – X Terminal)
number of Multiport I/O Card
COM3
ttyS2
1
COM4
ttyS3
1
COM5
ttyS4
2
COM6
ttyS5
2
COM7
ttyS6
3
COM8
ttyS7
3
Table 4-21
commands for the installation of additional serial ports