Customer can use iPass to iPass cable (CBL-0108L-02) to connect LSI 8888ELP with BPN-SAS-846EL1 and BPN-SAS-826EL1 througn the internal mini-SAS 8087 connectors in SC847E1-R1400LPB. And cascading to SC847E16-RJBOD1 from BP SAS-826EL1 or SAS-846EL1 by using CBL-0167L internal cables and CBL-0166L external cables.