12/12/2023 0 Comments 8 pin din to rca connector![]() Some amplifier keying cables have two RCA phono plugs, one RED plug for the amplifier relay jack and one WHITE plug for ALC (Automatic Level Control) voltage from the amplifier. Each has a keying input and a keying output for the amplifier relay or another accessory. Instead of a direct connection to the amp relay, the RED plug may be connected to the keying input of an accessory device (DXE-KEYLINE-3, DXE-RTR-2 or DXE-NCC-2), amplifier keying interface (AME-ARB-704 or SVP-SV-KR) or other amp keying line interrupt device, such as a meter or an array controller. ![]() When the transceiver PTT (push-to-talk) is keyed, the RED plug center pin is connected to the shield (and chassis ground in most cases) to key the amp relay or its solid state keying circuit. Some of these amplifier keying cables have one RED RCA phono plug for the amplifier relay jack, which is all that is needed. DX Engineering Transceiver Amplifier Keying Cables are made for specific Kenwood and Yaesu transceiver models that have special DIN connector accessory ports that provide their only connections for linear amplifier keying. in order to properly seat into the recessed jack through the small chassis cutout of this radio model.ĭX Engineering Transceiver Amplifier Keying CablesĭX Engineering Transceiver Amplifier Keying Cables connect the "ground on transmit" or contact closure provided by the radio that is required to make an HF amplifier switch from "receive mode" to "transmit and amplify mode" when using PTT (push-to-talk), VOX or break-in CW keying. This 8-pin mini-DIN plug plastic body may require trimming back by 3/16 in. This cable plugs into this transceiver's "Tuner" jack for keying the amplifier only, not the "Linear" jack. in order to properly seat into the recessed jack through the small chassis cutout of this radio model. This cable’s 8-pin mini-DIN plug plastic body may require trimming back by 3/16 in. ![]() This cable will NOT work in this transceiver's "Linear" jack. This cable plugs into this transceiver's "Tuner" jack for keying the amplifier only. ![]()
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