... model marking and significanceD E S – 9 P B – FD: code of main title-shell locating rectangular ... connectorE: code of shell-E, A, B, C, DS: contact element is wire spring structure9 ... : P-pin, S-jack socketB: terminal type: B-straight panel connection, L-bent panel connection, no ... mark for weldingF: mounting type: F-floating mounting, S-with locking device, J-with ...