— 8 —5. OPTION CIRCUITPower protection battery B-6Power protection battery B-6 is available for CE-2350.However, interface circuit is not mounted to the machine.When you use the B-6, mount the following parts.Parts list for interfaceCode No. Parts Name Specification Q'ty2200 3577 Transistor 2SA1015 (GR, O, Y) 12301 0011 Diode 1S2471 22310 3541 Zener diode RD12EB2 12600 7313 Carbon film resistor R-25-10K-J 32614 0552 Carbon film resistor R-25-2K-J 12801 7098 Electrolytic capacitor 50RE2 16219 4553 Connector fixing plate E311094-1 16236 6180 P1625-06P connector ass'y E314531B-10 (#22-200) 1Pin assignment for B-6 connectorPin layouttInterface circuit for B-6Pin No. Description1 F.G. (Green)2 Not used3 CS (Black)4 GND (Blue)5 Not used6 VP (Brown)