+-------+ MAX232(A) DIP Package Pin Layout Capacitor Value Capacitor Value Nbr Name Purpose Signal Voltage MAX232 MAX232A + connector for capacitor should stand 1 C1+ 1µF 100nF capacitor C1 at least 16V +10V, capacitor output of voltage 2 V+ should stand at least 1µF to VCC 100nF to VCC pump 16V - connector for capacitor should stand 3 C1- 1µF 100nF capacitor C1 at least 16V + connector for capacitor should stand 4 C2+ 1µF 100nF capacitor C2 at least 16V - connector for capacitor should stand 5 C2- 1µF 100nF capacitor C2 at least 16V output of voltage -10V, capacitor should 6 V- 1µF to GND 100nF to GND pump / inverter stand at least 16V 7 T2out Driver 2 output RS-232 8 R2in Receiver 2 input RS-232
+-------+ MAX232(A) DIP Package Pin Layout Nbr Name Purpose Signal Voltage Capacitor Value MAX232 Capacitor Value MAX232A 1 C1+ + connector for capacitor C1 capacitor should stand at least 16V 1µF 100nF 2 V+ output of voltage pump +10V, capacitor should stand at least 16V 1µF to VCC 100nF to VCC 3 C1- - connector for capacitor C1 capacitor should stand at least 16V 1µF 100nF 4 C2+ + connector for capacitor C2 capacitor should stand at least 16V 1µF 100nF 5 C2- - connector for capacitor C2 capacitor should stand at least 16V 1µF 100nF 6 V- output of voltage pump / inverter -10V, capacitor should stand at least 16V 1µF to GND 100nF to GND 7 T2out Driver 2 output RS-232 8 R2in Receiver 2 input RS-232