I soldered the "f" and "D" bead and sill wont work,got the PTT to work but i still cant get any audio to transmit or recieve through the OPC-617 cable, i even took the mic out if my david clark head set connected it straight to the pin 4 and 8 and it still wont transmit my voice.
--- In Repeater-Builder@yahoogroups.com, Duane Hall <du...@...> wrote: > > You would want Rx audio from 2 and 7, Tx audio in on 4 and 8, solder > bead D in the radio. > > I dont recall if there is a VOX option in the radio. If the intercom is > full duplex, how will you key up the radio (PTT)? > > DB9 > 1 Dimmer in > 2 De-Emph Audio Out (affected by Vol Pot) > 3 Discriminators Audio (Un Squelched) > 4 Tx Mod In > 5 PTT in > 6 COR out (probably need a pull up resistor) > 7 Ground > 8 Ground > 9 Ground > > Pin 2 - You can set a minimum level via Set Mode > Pin 4 - Tx freq response. Solder bead F for data, solder bead D for audio > Pin 5 - Enable external PTT via software. Common>Expert>EPTT > Pin 6 - Enable COR via software. Disable the 2/5 tone function for the > selected channel. Common>Expert> RX EXO to ON, and delay timer to OFF > > > Pinout info on page 16 at > http://www.repeater-builder.com/icom/pdfs/icom-ic-f111-f121-f211-f221.pdf > > > > Duane > AB8QU > > On 7/13/2010 10:28 PM, ryan_151 wrote: > > im trying to use the OPC-617 cable with an Icom f121 radio to connect it to > > an intercom and need to know how what pins to use to connect my mic+- audio > > into the F121 radio and the f121 radio audio out +-. Any help with this > > woud be great, Thanks >