AMERITRON RCS-12 Manual de instruções - Página 10

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Ameritron RCS-12 Instruction Manual

Auxiliary Input

The Auxiliary Input Port allows remote control of the antenna buttons on the antenna switch. The port is a

female DB-9 connection with the pin-out shown below. Applying a ground to any of the Aux pins will

select the appropriate antenna. Each pin is a +5Vdc with a 10K ohm resistor series circuit. When pulled

low, it will deliver .5 ma.

The Auxiliary Output Port has two functions depending on the setting of JMP3. The output can be either

band data in 1 of 8 format or the current antenna selection. The default setting is band data.

On the Band Data setting , the output is the transceiver's band in 1 of 8 format for HF. UHF/VHF bands

uses two pins. Pin 9 is also a TX line that goes to ground when the transmitter is keyed. This band data

can be used to control another device that can accept data in 1 of 8 format. The diagram below shows the

pin-out for each HF band.

Auxiliary Output

*Ground is on the shell of the DB-9 plug

Auxiliary Input Port

Band Data

Pin 1 – 160m

Pin 2 – 80m

Pin 3 – 40m

Pin 4 – 30m

Pin 5 – 20m

Pin 6 – 17m

Pin 7 – 15m

Pin 8 – 12m/10m

Pin 9 – TX Key

Auxiliary Input Pin-Out

Pin 1 – Antenna 1

Pin 2 – Antenna 2

Pin 3 – Antenna 3

Pin 4 – Antenna 4

Pin 5 – Antenna 5

Pin 6 – Antenna 6

Pin 7 – Antenna 7

Pin 8 – Antenna 8

Pin 9 - Ground

Antenna Out (1 of 8)

Auxiliary Output (Band Data Setting)

Automatic Antenna Switch