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Rg-11 to RG-6 adapter?
05-06-2018, 07:36 PM
Post: #1
Rg-11 to RG-6 adapter?
I have a video monitor that uses the biggest coax connector I've ever seen. From what I can find on the Internet, it's called an RG-11 connector. If I'm reading the specs right, standard coax (in the US anyway) is RG-6. I can't find any RG-11 cables that are only about 2-3 feet long which is all I need. RG-6 cables are available in all lengths. I'd like to use an adapter that would allow me to plug my male RG-6 cable into the female RG-11 connector on the monitor. Are those available? It's a one-time deal and I'd hate to have to buy the components, cable and crimper for just one use.

TIA

Tom L

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05-07-2018, 01:16 PM
Post: #2
RE: Rg-11 to RG-6 adapter?
(05-06-2018 07:36 PM)toml_12953 Wrote:  I have a video monitor that uses the biggest coax connector I've ever seen. From what I can find on the Internet, it's called an RG-11 connector. If I'm reading the specs right, standard coax (in the US anyway) is RG-6. I can't find any RG-11 cables that are only about 2-3 feet long which is all I need. RG-6 cables are available in all lengths. I'd like to use an adapter that would allow me to plug my male RG-6 cable into the female RG-11 connector on the monitor. Are those available? It's a one-time deal and I'd hate to have to buy the components, cable and crimper for just one use.
TIA

Hi Tom, a picture would definitely help, since the "RG11 connector" wording doesn't sound the regular one I am locally used to. When strange connectors are involved, I prefer to count on my trusty local shop for this kind of jobs.

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05-07-2018, 03:57 PM
Post: #3
RE: Rg-11 to RG-6 adapter?
(05-07-2018 01:16 PM)Luigi Vampa Wrote:  
(05-06-2018 07:36 PM)toml_12953 Wrote:  I have a video monitor that uses the biggest coax connector I've ever seen. From what I can find on the Internet, it's called an RG-11 connector. If I'm reading the specs right, standard coax (in the US anyway) is RG-6. I can't find any RG-11 cables that are only about 2-3 feet long which is all I need. RG-6 cables are available in all lengths. I'd like to use an adapter that would allow me to plug my male RG-6 cable into the female RG-11 connector on the monitor. Are those available? It's a one-time deal and I'd hate to have to buy the components, cable and crimper for just one use.
TIA

Hi Tom, a picture would definitely help, since the "RG11 connector" wording doesn't sound the regular one I am locally used to. When strange connectors are involved, I prefer to count on my trusty local shop for this kind of jobs.

Here it is:
[Image: IMG_0694.JPG?raw=1]

Tom L

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05-07-2018, 04:37 PM
Post: #4
RE: Rg-11 to RG-6 adapter?
(05-06-2018 07:36 PM)toml_12953 Wrote:  I have a video monitor that uses the biggest coax connector I've ever seen. From what I can find on the Internet, it's called an RG-11 connector.

It's SO-239 type RF connector:
[Image: so239-n.jpg]
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05-07-2018, 04:45 PM
Post: #5
RE: Rg-11 to RG-6 adapter?
(05-06-2018 07:36 PM)toml_12953 Wrote:  I have a video monitor that uses the biggest coax connector I've ever seen. From what I can find on the Internet, it's called an RG-11 connector. If I'm reading the specs right, standard coax (in the US anyway) is RG-6. I can't find any RG-11 cables that are only about 2-3 feet long which is all I need. RG-6 cables are available in all lengths.

I am by no means an expert for monitor cables, but if I understand the facts correctly, there is no such thing as an "RG11-connector" or an "RG6-connector". Both RG11 and RG6 refer to coaxial cables (!) with approx. 11 and 6 mm diameter. The type of connector may be anything that fits such a cable: be it BNC, a standard IEC plug ("antenna plug") or a screw-on F-connector. These are available in versions for RG11 and RG6 cables, while the connector itself that plugs into the device always remains the same.

So the question is what kind of connector (!) you need: on the monitor end as well as on the other side. The cable diameter may be the least concern here. Just make sure it has the right impedance (is it 75 Ω or 50 Ω or something different?).

But once again: I am not an expert, please check this once again.

Dieter
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05-07-2018, 05:22 PM (This post was last modified: 05-07-2018 05:26 PM by Luigi Vampa.)
Post: #6
RE: Rg-11 to RG-6 adapter?
(05-07-2018 04:37 PM)Leonid Wrote:  
(05-06-2018 07:36 PM)toml_12953 Wrote:  I have a video monitor that uses the biggest coax connector I've ever seen. From what I can find on the Internet, it's called an RG-11 connector.

It's SO-239 type RF connector:
[Image: so239-n.jpg]

Yep!!
It is mostly used in HF equipment (3-30 MHz). It is the first time I see it in a monitor, though I live in PAL-land. Maybe it is common in NTSC-land.

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05-07-2018, 05:54 PM (This post was last modified: 05-07-2018 05:54 PM by toml_12953.)
Post: #7
RE: Rg-11 to RG-6 adapter?
(05-07-2018 04:37 PM)Leonid Wrote:  
(05-06-2018 07:36 PM)toml_12953 Wrote:  I have a video monitor that uses the biggest coax connector I've ever seen. From what I can find on the Internet, it's called an RG-11 connector.

It's SO-239 type RF connector:
[Image: so239-n.jpg]

Thank you! With your info, I was able to locate an adapter so I can plug in a more common video cable.

Tom L

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05-07-2018, 08:26 PM
Post: #8
RE: Rg-11 to RG-6 adapter?
(05-07-2018 05:22 PM)Luigi Vampa Wrote:  
(05-07-2018 04:37 PM)Leonid Wrote:  It's SO-239 type RF connector:
[Image: so239-n.jpg]

Yep!!
It is mostly used in HF equipment (3-30 MHz). It is the first time I see it in a monitor, though I live in PAL-land. Maybe it is common in NTSC-land.

Hi, I've got a PAL monitor with such a connector. I've got many PAL monitors, and I've worked with a lot of different monitors, but only one with a SO-239 connector !
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