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Remote Control of Networked Station Equipment
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Above is a diagram of my original setup. Below is a diagram showing
my current setup. The ISDN LanModems
of my original setup have been replaced with a Linksys Wireless Access
Point at the home end and a D-Link VoIP enabled router at the remote
end. The audio is now handled with a hybrid/phone interface to the
D-Link box. Measured quality is excellent and latency low. The audio at
the home side can be handled with another D-Link, a Cisco ATA-186 or
Sipura SPA-1000 or SPA-2000 phone IP interface, but I am using a new
program from SIPphone (www.sipphone.com) called Gizmo that lets my
laptop act as a phone for dialing into the remote. SIPphone also
provides the gateway to allow dialing into and connecting to the remote
router, but unlike the other VoIP providers like Vonage, SIPphone does
not charge for connections between IP phones. They also don't lock the
router to their service or require a hardware license. I have also
replaced the EECI boards from the original setup with a new board of my
own design called LP-Remote.
It is my aim to make the combination of TRX-Manager and the "LP"
the single best way to control a remote base station, whether over a
(controlling basement station from family room, for example) or WAN
big DX station in the country from a condo, for example). It is
becoming feasible to use various forms of wireless networking to
your station remotely.
In summary, a complete remote station can be set up with the
TRX-Manager or other logging/control program
Lantronix Com Port Redirector for connection to remote serial ports
SIPphone Gizmo freeware for audio connection to remote
LP-Remote for control of remote relays/analog inputs/digital inputs/temp/frequency/etc.
Other programs to access other remote devices like rotator, linear, SteppIR, etc.
D-Link DVG-1402S router/IP phone adapter
Lantronix servers for connecting device serial ports
LP-Remote control board
Audio hybrid/phone interface
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