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#1
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I've noticed most CB's seem to have the same plug for power, it this an
industry standard? They all have a three pin plug with only the outer pins used for power and ground, has the center pin ever been used/defined? |
#2
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Eugene Nine wrote:
I've noticed most CB's seem to have the same plug for power, it this an industry standard? They all have a three pin plug with only the outer pins used for power and ground, has the center pin ever been used/defined? The two closer together have always been ground. Now they cheap out and only connect one? o o o + - - |
#3
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Scott in Baltimore wrote:
Eugene Nine wrote: I've noticed most CB's seem to have the same plug for power, it this an industry standard? They all have a three pin plug with only the outer pins used for power and ground, has the center pin ever been used/defined? The two closer together have always been ground. Now they cheap out and only connect one? o o o + - - Well, I haven't opened my new one yet, but the cheap radio shack one had the middle disconnected |
#4
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"Eugene Nine" wrote in message
news:x8CdnVJKVY4KeAjZnZ2dnUVZ_t2dnZ2d@wideopenwest .com... Scott in Baltimore wrote: Eugene Nine wrote: I've noticed most CB's seem to have the same plug for power, it this an industry standard? They all have a three pin plug with only the outer pins used for power and ground, has the center pin ever been used/defined? The two closer together have always been ground. Now they cheap out and only connect one? o o o + - - Well, I haven't opened my new one yet, but the cheap radio shack one had the middle disconnected I've seen the other pin used with a yellow wire that was supposed to be tied hot at all times to retain the channel memory, but I forget what model and brand that was. |
#5
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DrDeath wrote:
"Eugene Nine" wrote in message news:x8CdnVJKVY4KeAjZnZ2dnUVZ_t2dnZ2d@wideopenwest .com... Scott in Baltimore wrote: Eugene Nine wrote: I've noticed most CB's seem to have the same plug for power, it this an industry standard? They all have a three pin plug with only the outer pins used for power and ground, has the center pin ever been used/defined? The two closer together have always been ground. Now they cheap out and only connect one? o o o + - - Well, I haven't opened my new one yet, but the cheap radio shack one had the middle disconnected I've seen the other pin used with a yellow wire that was supposed to be tied hot at all times to retain the channel memory, but I forget what model and brand that was. Sounds like there isn't much of a standard then. I was wanting to use it to feed power in for the lights on the front and then use the dimmer knob for the lights for something like a talkback circuit. |
#6
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"Eugene Nine" wrote in message
news:0f2dnZQ8b6mNZATZnZ2dnUVZ_tSdnZ2d@wideopenwest .com... DrDeath wrote: "Eugene Nine" wrote in message news:x8CdnVJKVY4KeAjZnZ2dnUVZ_t2dnZ2d@wideopenwest .com... Scott in Baltimore wrote: Eugene Nine wrote: I've noticed most CB's seem to have the same plug for power, it this an industry standard? They all have a three pin plug with only the outer pins used for power and ground, has the center pin ever been used/defined? The two closer together have always been ground. Now they cheap out and only connect one? o o o + - - Well, I haven't opened my new one yet, but the cheap radio shack one had the middle disconnected I've seen the other pin used with a yellow wire that was supposed to be tied hot at all times to retain the channel memory, but I forget what model and brand that was. Sounds like there isn't much of a standard then. I was wanting to use it to feed power in for the lights on the front and then use the dimmer knob for the lights for something like a talkback circuit. Feed the lights from the power switch and you can still use the dimmer for talkback. If the center pin is not connected to anything (in most cases it's not), you can still use it, but it will need to be switched or the lights will remain on when the unit is off. I would go with using the power switch to control your lights. |
#7
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"DrDeath" wrote...
I've seen the other pin used with a yellow wire that was supposed to be tied hot at all times to retain the channel memory, but I forget what model and brand that was. Maxon? I believe that is where I have seen it done that way, but there may also be Midland type radios with it wired that way. Regards, Peter. http://www.citizensband.radiouk.com/ |
#8
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"Peter" wrote in message
news:449d021c.0@entanet... "DrDeath" wrote... I've seen the other pin used with a yellow wire that was supposed to be tied hot at all times to retain the channel memory, but I forget what model and brand that was. Maxon? I believe that is where I have seen it done that way, but there may also be Midland type radios with it wired that way. I was thinking Midland, but it was a long time ago when I saw it. Could be a Maxon, your guess is as good as mine. But that's the only thing I have ever seen it used for unless it was a modification someone made. I think some of the power lead plugs in the past had small screws allowing you access to the inside of the plug. What I don't get is why CBs still have a PA switch and jack, even the cheapest of the cheap have them. I rarely see anyone have it hooked up and can count on one hand the amount of times I've seen it used. I'm glad the switch is there though, it comes in handy. |
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