User guide
Voyager Applications
INSTALLATION AND USER GUIDE 4
HDMI Daisy-Chained, Duplex, with RS232 serial
Thisconfigurationexampleshowsadaisy‐chainedDUPLEXmodeextensionapplicationforHDMIvideo.Ifthe
sourcecontentisprotected(withHDCP),thenitwillremainprotectedtothelocalport,andallthewaytoeach
receiver’soutput.Notethatthe“HDCP‐key‐limit”mayapplyinthiscase.See
theApplicationNotessection.
IfthesourceprovidesembeddedHDMI‐audio,thatwillbepassedtoeachremoteHDMIdisplayunmodified.
Thedigitalaudiocanalsobedrivenouttheanalogaudiojacksasaconfigurableoption(seeMAGui).
Thereisalsofull‐duplexserial‐controlofalldisplays.Since
aduplex(twin)fiberisbeingusedbetweentheTX
andRXunits,thedisplaysCANsendresponsesbacktothecontrolsystem.Ifasimplex(single)fiberwereused,
thenonlyvideoandserialcanflowTOthedisplay,andnoresponsescanbereturnedtothecontrolsystem.
If
thedisplaysareserial‐portaddressable,thenthedefaultserialmode(broadcasttoallreceivers)canbe
utilized.Allreturndatawillbemergedtogether–soit’simportantthatonlyonedisplayrespondatatime.If
thedisplaysarenotaddressable,thenit’spossibletomakedistinct“virtual
connections”withindividual
receivers’serialports.
Figure2.Voyagerdaisy‐chainedlink,usingHDMI‐TX/RX,withfull‐duplexserialcontrolofdisplay.
HDMI Source
ISA
AUX module
Serial
L/R
IR
HDMI-TX
VIDEO module
HDMI-in HDMI-out
(on front)
Control System
ISA
AUX module
Serial
L/R
IR
HDMI-RX
VIDEO module
HDMI-out
HDMI
Display
HDMI
Display
Duplex (twin)
fiber
ISA
AUX module
Serial
L/R
IR
HDMI-RX
VIDEO module
HDMI-out
HDMI
Display
Duplex (twin)
fiber
Receiver 1
Receiver 2
VG-TX2 CORE
SFP#1 SFP#2
Pwr
USB
(cfg)
TX RX TX RX
VG-RX2 CORE
SFP#1 SFP#2
Pwr
USB
(cfg)
TX RX TX RX
VG-RX2 CORE
SFP#1 SFP#2
Pwr
USB
(cfg)
TX RX TX RX
Transmitter
Duplex (twin)
fiber
To more
receivers
(optional)