User guide
Appendix A: Electrical Pin Descriptions
INSTALLATION AND USER GUIDE 36
ThistableshowsthetypicalconnectionsbetweenaVoyager‐RX(ISAmodule)andaserial‐enableddisplay
device,withoutanyhardware‐handshaking(minimalconnections):
DB9‐F:VoyagerISA
Serialport
(DCEpinout)
TypicalConnections
Voyager‐RX2(ISAmodule)toaDisplay
DB9‐F:Display
Serialport
(DCEpinout)
Pin
#
Signal
name
Dir (Minimal)Null‐ModemConnections 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
SerialInterfaceNotes:
ConnectingaPCtoaVoyager‐TX(ISAmodule)willtypicallyrequireastraightDB9‐M/Fcable.
ConnectingadisplaytoaVoyager‐RX(ISAmodule)willtypicallyrequirea“null‐modem”typeDB9‐
M/Mcable.
Slightlydifferentcableconnectionsbetweendevicesmaybe
required,dependingonthespecificneeds
ofthecontrol‐systemorserial‐enableddisplay.Refertotheirrespectiveuser‐documentationfor
additionaldetails.
AlsorefertotheVoyagerProgrammersGuide(VLCPregistersettings)forhowtocontrolthesoftware
&hardwarehandshakingfeaturesoftheVoyagerlink.