© 2007 Merging Technologies
Quintessence User Manual
15
RS-232 connection
•
J1
– RS-232 connector with pinout
A
works with Asus and Intel on-board RS-232 connectors. This is
also the connector used with the Merging Technologies USB to RS-232 adaptor. (see below)
•
J3
– RS-232 connector with pinout
B
is provided for compatibility with motherboards from other
manufacturers.
Note:
This connector may not be available on recent revisions of the MTCHIO board.
If in any doubt, please refer to your motherboard User Manual and ensure the on board connector matches
the pinout of either
J1
or
J3
as shown here:
RS-232 Socket Pinouts
J1
J3
1
NC
2
RX
1
NC
2
NC
3
TX
4
NC
3
RX
4
NC
5
GND
6
NC
5
TX
6
NC
7
NC
8
NC
7
NC
8
NC
9
NC
10
NC
9
GND
10
NC
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