TX-125 I/O PORT DESCRIPTION
1. CONNECTER J2 PIN 1. PTT control input. TTL level ,active low.
I/O
PORT DE
SCRIPT
IO
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2. PIN 2,3,7,8. Digital modulation signal input (pin7) and RS-232 input
(pin2,3,8). Digital modulation signal use TTL level or +/-12v , change by J2
and J3 setting.
