| Contact Info: |
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Audio Test Solutions, Inc.
4890 Vandaveer Road
Billings, MT 59101
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Main Phone: 406-294-5108
Fax: 406-294-5109
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Web: www.rlccontrollers.com/
Email: info //at// link-comm //dot// com
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Old Contact Info: |
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Link Communications, Inc.
1035 Cerise Road
Billings, MT 59101-7378
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Main Phone: 406-245-5002
Fax: 406-245-4889
Orders Only: 800-610-4085
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Email: (disguised to avoid email-address-sniffing spambots)
info //at// link-comm //dot// com
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For reference, Link's prior address (seen in many old manuals) was 1407 4th Ave N, Billings,
Montana 59101, at the same phone numbers.
News flash: And no, it's not an April Fools Day joke.
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March 30, 2011: Amateur Radio RLC Product Line Acquired by ATSI:
Audio Test Solutions, Inc.
Link Communications, Inc. has provided high-end repeater controllers to Amateur Radio
operators for over twenty-two years. In that time our business has grown from one product
line up to six different product lines.
With this growth we have decided that more individual focus is needed in the RLC Product
line. To further this focus, ATSI (Audio Test Solutions Inc.) of Billings, Montana has
acquired the rights to the RLC Product Line from Link Communications, Inc. As of April 1,
2011, Link Communications will no longer be selling the RLC Product Line and it will no
longer be featured on the Link Communications' web site.
ATSI values your relationship and will be working directly with Link Communications, Inc.
to insure a smooth transition for all of you in the Amateur Radio Community. For the
immediate future the manufacturing aspect of the RLC products will continue to be done at
the Link Communications manufacturing facility. All new sales, repairs and support will
be done directly through ATSI's new web site.
ATSI is very excited about the acquisition of the RLC product line and has designed a new
web site which is designed and dedicated specifically for the Amateur Radio enthusiasts.
Info on the products: http://www.rlccontrollers.com/.
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If you are at all serious about your Link/RLC repeater controller then you need to
subscribe to this Group (mailing list)... It has a large
number of controller owners and if you post a request or comment you will get a
response from someone.
RLC@groups.io covers all the Link products EXCEPT the DSP series
controllers. To subscribe - go here.
The best way to get documentation (manuals, schematics, and firmware are all
kept in separate folders) is to start at
https://www.rlccontrollers.com/, click the three little line "menu" icon in
the upper left corner of the home page, click "SUPPORT", then the appropriate
item. You then have FULL ACCESS to just about every manual (PDF and TXT formats),
schematic, and firmware file they ever had, and then some.
If you have problems, here are local (i.e. at repeater-builder) copies of a few
Link-Comm repeater controller manuals:
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RLC-1 Repeater Controller Manual ver 1.01 83
pages, 627 kB PDF dated 25 June 1993; No schematics.
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RLC-1 Repeater Controller Rev A Schematics 154 kB PDF
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RLC-2 V4.28 Repeater Controller Manual ver 4.28
365 pages, 1.62 MB PDF dated 14 March 1997; Has schematics.
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RLC-2 V4.30 Repeater Controller Manual ver 4.30
366 pages, 1.57 MB PDF dated 18 Feb 1999; Has schematics.
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The RLC-2 uses a regular DE-9 connector hooked to a standard serial port but with
a non-standard serial port pinout. You will have to make a custom 3-wire cable for it.
Pin 5 is ground, pin 4 is receive data, and pin 9 is transmit data. Do not connect
any other pins, they are used as soft-pot connections. Once you have the custom cable
made and connected the operation is normal. The communications parameters are 9600
baud, no parity, 8 bits, 1 stop bit, but you need to add an inter-character delay and
an inter-line delay to the PC-to-RLC side to let it keep up with the data flow. Command
244 is provided to configure the serial port baud rate, allowing selection of 300, 600,
1200,2400,4800, and 9600 baud.
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RLC-3 Repeater Controller Manual ver 1.80 348
pages, 914 kB PDF dated 17 Sept 1998; No schematics.
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RLC-4 Repeater Controller Manual ver 1.79 228
pages, 538 kB PDF dated 18 Sept 1998; No schematics.
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RLC-4 Repeater Controller Rev A Schematics 239 kB PDF
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The serial port (computer programming connection) on the RLC-1, RLC-3 and RLC-4
all use pin 2 as the transmit data, pin 3 as the receive data, and either pin 5 or
pin 9 as ground. This is a standard 3-wire 9-pin serial port.
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RLC-5 Repeater Link Controller 1.1 MB PDF
There were two completely different designs / products and three different manuals named
RLC-5. The original was a linking board and is described in the manual above. The other design was
similar to an RLC-4 with built-in autopatch and DVR. Link sold it primarily for commercial applications
with custom firmware, although an amateur version was available for a short time.
If anyone has a copy of either the commercial RLC-5 or the amateur RLC-5 manuals
we'd like to borrow them, scan them to PDF (so we can offer them here) and return them.
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RLC-6 Four Port Repeater Link Controller 1.3 MB PDF
This is a port expansion board that was designed for the RLC-1 prior to the RLC-4
but can be added to any controller to create additional link ports.
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RLC-MOT Squelch Module - This board is no longer offered at the Link web site as there are no more new Micor squelch chips to be had.
Board layout and schematic 40 kB PDF
Tech Specs and notes 37 kB PDF
A replacement is available here.
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Tech Specs and notes for the RLC-ADM Audio Delay Module
73 kB PDF
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Additional Digital Outputs for the Link RLC-4
Repeater Controller By Brad Andrews KB9BPF
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