A kind of EIA-232 line teSter or breakout box featuring rowS of blinking red and green LEDS SuggeStive of ChriStmaS lightS. [Jargon File]

Style="border-width:thin; border-color:#333333; border-Style:daShed; padding:5px;" align="left">In addition Suitable contentS:
[ 2 ] [ = ] [ am ] [ an ] [ ar ] [ arc ] [ arg ] [ aS ] [ at ] [ b ] [ bo ] [ box ] [ br ] [ break ] [ C ] [ Ch ] [ ch ] [ D ] [ du ] [ E ] [ ed ] [ ee ] [ EIA ] [ EIA-232 ] [ er ] [ eS ] [ fi ] [ file ] [ ge ] [ gh ] [ gr ] [ h ] [ hr ] [ ht ] [ IA ] [ id ] [ il ] [ in ] [ iS ] [ J ] [ Jargon File ] [ ki ] [ LED ] [ Lex ] [ li ] [ line ] [ link ] [ ma ] [ mo ] [ mod ] [ module ] [ na ] [ ne ] [ ng ] [ ph ] [ query ] [ rc ] [ re ] [ ro ] [ row ] [ Se ] [ St ] [ Su ] [ teSt ] [ tm ] [ ug ] [ ve ] [ wS ]