Appendix A: Electrical Pin Descriptions
INSTALLATION AND USER GUIDE
36
This
table
shows
the
typical
connections
between
a
Voyager
‐
RX
(ISA
module)
and
a
serial
‐
enabled
display
device,
without
any
hardware
‐
handshaking
(minimal
connections):
DB9
‐
F:
Voyager
ISA
Serial
port
(DCE
pinout)
Typical
Connections
Voyager
‐
RX2
(ISA
module)
to
a
Display
DB9
‐
F:
Display
Serial
port
(DCE
pinout)
Pin
#
Signal
name
Dir
(Minimal)
Null
‐
Modem
Connections
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
Serial
Interface
Notes:
Connecting
a
PC
to
a
Voyager
‐
TX
(ISA
module)
will
typically
require
a
straight
DB9
‐
M/F
cable.
Connecting
a
display
to
a
Voyager
‐
RX
(ISA
module)
will
typically
require
a
“null
‐
modem”
type
DB9
‐
M/M
cable.
Slightly
different
cable
connections
between
devices
may
be
required,
depending
on
the
specific
needs
of
the
control
‐
system
or
serial
‐
enabled
display.
Refer
to
their
respective
user
‐
documentation
for
additional
details.
Also
refer
to
the
Voyager
Programmers
Guide
(VLCP
register
settings)
for
how
to
control
the
software
&
hardware
handshaking
features
of
the
Voyager
link.
