[aprssig] Re: d700 miniDIN
Wes Johnston aprs at kd4rdb.comMon Feb 7 20:33:41 UTC 2005
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Cool, they have two.... http://www.microcenter.com/single_product_results.phtml?product_id=0119772 which has little wings for mounting and http://www.microcenter.com/single_product_results.phtml?product_id=0164921 . Thansk for tip. Wes -- Quoting Josh Gould <kc8eqa at columbus.rr.com>: > I think I've seen them at the local MicroCenter, You may want to check > Jameco. > > 73 > Josh > > -----Original Message----- > From: aprssig-bounces at lists.tapr.org > [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of Wes Johnston > Sent: Monday, February 07, 2005 3:16 PM > To: TAPR APRS Mailing List > Cc: Stephen H. Smith > Subject: Re: [aprssig] Re: d700 miniDIN > > > Instead of building a Y cable to split out the rj45 mic connector, I > thought it might be easier to just plug the tiny track into the mini6 > connector... it could sense the MIC's PTT status by using the PTT line > on the mini6... but I guess not.... now I'm back to original plan to > build a Y cable for rj45's... bummer. > > Now that you mention mini6 ptt muting the mic, you have me thinking that > the "right" way to do this is to use the tiny track hooked to the mini6 > and tap the PTT IN that tiny track needs from the MIC PTT line. That > way tiny trak can keep track of the MIC's PTT status and when it aserts > the PTT, it'll mute the mic - cutting down on wind noise and such in the > car and making the packet clearer. > > I guess everyone's seen those plastic phone splitters.... they plug into > a wall socket and have molded in the rear of them two side by side rj11 > recepticals... wonder if they make those in rj45? Wes > -- > > > > Quoting "Stephen H. Smith" <WA8LMF2 at aol.com>: > > > Wes Johnston wrote on 2/7/2005, 11:44 AM: > > > > > Can anyone confirm that the PTT line in the mini-din connector > > follows > the MIC > PTT button? I'd like to attach a tiny track to > > the D700 > > > > Not sure what you are asking > > > > If you mean "Does the miniDIN6 jack operate on the same band as > > selected for the Mic (i.e. selected by pushing in either the left or > > right volume knob band select)", then the answer is YES. > > > > If you mean "Are the PTT pin of the mic jack and the PTT pin of the > > miniDIN jack connected in parallel (i.e. so a TinyTrak connected on > the > > miniDIN could monitor the state of the mic's PTT button)", then the > > answer is NO. > > The miniDIN PTT line is processed separately from the mic's PTT, > > > and is used to mute the mic input whenever the miniDIN input is > > active. > > > > > > > > Full details on the MiniDIN 6-pin "DATA" connector follow. This is a > > reprint of a post I have made many times on various groups and mailing > > > lists about this issue..... > > > > ====== PASTE ======== > > > > > > The 6-Pin MiniDIN "DATA" or "PACKET" connector is an industry standard > > > adopted by all the Japanese ham mfrs. It is now superseding the > > various proprietary 7, 8 and 13-pin full-sized DIN connectors used by > > various manufacturers. The contacts on this connector provide access > > to: > > > > 1) TWO kinds of receive audio: > > Raw non-deemphasized discriminator output sometimes labeled "9600 > > > Baud Receive". > > De-emphasized squelched audio similar to what comes out the > > speaker, but at a fixed level unaffected by the volume control. It is > > sometimes labled "1200 Baud Receive" or "RXD". > > On multi-mode radios (Yaesu FT-817, Yaesu FT-100, Icom 706, etc), > > > only the "1200 baud" output will be live on AM, SSB or CW since the > > 9600 baud output is associated only with the discriminator of FM > > receivers. > > > > 2) TX audio input (sometimes misleadingly labeled "TX Data Input" or > > "TXD") In some radios, a menu setting for "1200" vs "9600" baud will > > determine if this input goes either into the same channel as the mic > > input (but at a higher audio level) for 1200 baud packet, SSTV, > > EchoLink, AFSK RTTY, etc, or is DC-coupled directly into the TX > > modulator (for 9600 baud packet). > > > > 3) TX PTT (confusingly labeled "Standby" by Kenwood) -- normal > > ground-to-transmit line just like most mic inputs. > > > > 4) Receiver Squelch status line (normally no sig-squelch-closed = 0V, > > > signal active-squelch open = 5V). Sometimes labled "COR" (Carrier > > Operated Relay - an archaic term from the early days of FM repeaters), > > > "COS" (Carrier Operated Switch), "RX", "CD" (Carrier Detect), > > "Activity" or "Busy". > > > > 5) Common/Ground. > > > > > > Note that despite the misleading labels referring to data input and > > output, the jack only carries AUDIO, AUDIO, AUDIO! THERE IS NO > ACTUAL > > RXD or TXD DATA in the sense of RS-232 or TTL-level streams of 1s and > > 0s anywhere on this connector!!! > > > > This connector is the perfect point to connect packet TNCs, soundcard > > interfaces, phone patches, IRLP/EchoLink controllers, APRS trackers, > > paging encoders, or any other device that needs access to the transmit > > > and receive audio of a radio. > > > > These audio inputs and outputs are high-level (100-300mV), similar to > > home stereo "LINE" input level seen at RCA jacks on tuners, amps, tape > > decks, etc; NOT the the 5-10mV level seen at most mic input jacks. > > NOTE that this means that you have to set the audio output > > ("TRANSMIT") level of sound card interfaces, TNCs, data controllers, > > APRS trackers, etc to a MUCH higher level than you would for a normal > > connection into the mic jack. With some devices you will have to > > shift internal jumpers, or exercise software menu commands to > > increase output level (recent Kantronics TNCs for example). > > > > > > On most radios with this port, grounding the DIN-6 PTT line mutes the > > front panel mic input to prevent extraneous shack noises from getting > > mixed with whatever you feed into the transmit audio input. > > > > You can connect a TinyTrak here very effectively if you: > > 1) Change R5 (220K resistor) on the TT to about 27-33K to boost the > > TX audio level from mic level to line level. > > 2) Connect the direct DC-coupled "CARRIER DET" line of the TT to the > > MiniDIN "SQUELCH" or "COR" line. > > > > An annotated pinout diagram of this connector, useful as a worksheet > > for making up cables, is on my website at: > > http://members.aol.com/wa8lmf/miscinfo > > > > Click through the link on this page which will take you to a directory > > > of assorted downloadable files, not a web page. Look for the file > > MiniDIN6-Packet.pdf > > > > Note that this connector is exactly the same one used on PS/2 keyboard > > > and mouse cables. A PS/2 keyboard extension cable is an excellent > > source of a plug and cable assembly to mate with the jack on the > > radio. [at a fraction of the cost of the optional Kenwood or Yaesu > > cable assemblies! ] Cut the female end off, strip the bare end and > > connect the bare leads to the appropriate pins of whatever mates with > > your tracker, TNC, or soundcard interface. > > > > > > > > > > > > > > > > Stephen H. Smith wa8lmf (at) aol.com > > > > Home Page: http://wa8lmf.com > > > > New/Updated Symbols for http://members.aol.com/wa8lmf/ham > > UI-View and APRSplus: > > > > > > > > > > > > _______________________________________________ > > aprssig mailing list > > aprssig at lists.tapr.org > > https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig > > > > > _______________________________________________ > aprssig mailing list > aprssig at lists.tapr.org > https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig > > > _______________________________________________ > aprssig mailing list > aprssig at lists.tapr.org > https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig >
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