Appendix A: Electrical Pin Descriptions
INSTALLATION AND USER GUIDE
35
This
table
shows
the
typical
connections
between
a
PC
(or
control
system)
and
a
Voyager
‐
TX
(ISA
module),
without
any
hardware
‐
handshaking
(minimal
connections):
DB9
‐
M:
Typical
PC
Serial
port
(DTE
pinout)
Typical
Connections
PC
to
Voyager
‐
TX2
(ISA
module)
DB9
‐
F:
Voyager
ISA
Serial
port
(DCE
pinout)
Pin
#
Signal
name
Dir
Straight
Connections
(no
H/W
handshaking)
Dir
Pin
#
1
DCD
DCD
1
2
RX
RX
2
3
TX
TX
3
4
DTR
DTR
4
5
Ground
Ground
5
6
DSR
DSR
6
7
RTS
RTS
7
8
CTS
CTS
8
9
RI
RI
9
This
table
shows
the
typical
connections
between
a
PC
(or
control
system)
and
a
Voyager
‐
TX
(ISA
module),
using
full
hardware
‐
handshaking:
DB9
‐
M:
Typical
PC
Serial
port
(DTE
pinout)
Typical
Connections
PC
to
Voyager
‐
TX2
(ISA
module)
DB9
‐
F:
Voyager
ISA
Serial
port
(DCE
pinout)
Pin
#
Signal
name
Dir
Straight
Connections
(full
H/W
handshaking)
Dir
Pin
#
1
DCD
DCD
1
2
RX
RX
2
3
TX
TX
3
4
DTR
DTR
4
5
Ground
Ground
5
6
DSR
DSR
6
7
RTS
RTS
7
8
CTS
CTS
8
9
RI
RI
9
Note:
The
ISA
hardware
is
capable
hardware
and
software
(Xon/Xoff)
handshaking.
However,
this
capability
is
not
yet
enabled
by
the
firmware.
Check
with
Magenta
Research
for
applicable
firmware
updates.
