6SE70 options(can't be delivered alone) 
A00 Lift application
C11/13/14/15/16/17 Pulse generator board SBP, plugged into slot A/C/D/E/F/G
G21/23/25/27 Communication board CAN-bus CBC, plugged into slot A/C/E/G
G41/43/44/45/46/47 Communication board SIMOLINK SLB, plugged into slot A/C/D/E/F/G
G61/63/64/65/66/67 Terminal extension board EB1, plugged into slot A/C/D/E/F/G
G71/73/74/75/76/77 Terminal extension board EB2, plugged into slot A/C/D/E/F/G
G91/93/95/97 Communication board PROFIBUS CBP2, plugged into slot A/C/E/G
K01,K02 Adapter board ADB, plugged into position 2 or 3
K11 Local bus adapter LBA, built into the electronic box
K80 Safe off, for converters and inverters size E to Q
L03 Ground interference suppression when EMC filters are used, for size J to Q
M20 IP20 panel, size E, assembled with the drive
M20 IP20 panel, size F, assembled with the drive
M20 IP20 panel, size G, assembled with the drive
L30 Inverter fuses installed size E to G
L33 Compact inverters without fuses