COM口DB9F与DB9M是什么意思
COM口DB9F与DB9M是什么意思??
Male connector是公头(针式接头)因此用DB9M Female connector是母头(孔式接头)因此用DB9F
Male connector是公头(针式接头)因此用DB9M Female connector是母头(孔式接头)因此用DB9F
COM口DB9F与DB9M是什么意思网!