N2000H V3 Appliance 
User Guide 
 
Huawei Proprietary and Confidential                                     
Copyright © Huawei Technologies Co., Ltd. 
 
Figure 1-7 Signal cables to the front hard disk backplane 
 
SAS HD cable (Port A-Port A) for connecting the front hard disk backplane to the 
RAID controller card on the mainboard 
SAS HD cable (Port B-Port B) for connecting the front hard disk backplane to the 
RAID controller card on the mainboard 
SAS HD cable (one-into-two cable) for connecting the front hard disk backplane 
(J31 rear port) to the rear hard disk backplane (J3) for two disks 
Signal cable for connecting the front hard disk backplane (J35) to the mainboard 
(J42) 
 
 
Signal cables for connecting the rear hard disk backplane for 12 disks to the front hard 
disk backplane when the N2000H V3 is equipped with a single RAID controller card