&lt;p&gt;Kramer&amp;#039;s C&amp;minus;D9F/OPEN control cables are for RS&amp;minus;232 applications to control devices within a professional AV system. Many Kramer products are RS&amp;minus;232 controllable and equipped with terminal block connector. This RS&amp;minus;232 cable helps to connect them safely to transmit the RS&amp;minus;232 serial commands to a touch&amp;minus;screen system PC or other serial controller equipped with D9 connector.&lt;br /&gt;&lt;br /&gt;&amp;bull; Quality Construction &amp;mdash; Constructed using three 28AWG isolated conductors terminated with a molded female 9&amp;ndash;pin D&amp;ndash;sub connector nickel plated on one side and open end non&amp;ndash;terminated on the second side.&lt;br /&gt;&amp;bull; Pinout &amp;mdash; Wired pin to pin on pins 2 3 &amp; 5.&lt;br /&gt;&amp;bull; Molded Strain Relief.&lt;br /&gt;&amp;bull; Stripped &amp; Tinned Wires &amp;mdash; At open end.&lt;br /&gt;&amp;bull; RoHS Compliant.&lt;br /&gt;&amp;bull; Varied Selection of Lengths &amp;mdash; 3 to 50ft (1 to 15m)&lt;/p&gt;&lt;table class=features&gt;&lt;thead&gt;&lt;tr&gt;&lt;th colspan=2&gt;Features&lt;/th&gt;&lt;/tr&gt;&lt;/thead&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td class=feature&gt;Length&lt;/td&gt;&lt;td&gt;3m  &lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;