Specifications
Connectors Accessible to the User
007-4276-001 95
Internal SCA-2 HDD Connector
An SCA-2 connector is used on the primary side of the HDD backplane. The pinout is the
same as SCA-1. Table A-9 shows the cable pinout assignments for the internal SCA-2
HDD connector.
6RX-
7 NIC termination
8 NIC termination
9 Speed LED signal
10 +3.3 V standby (for LED)
11 Activity LED signal
12 +3.3 V standby (for LED)
13 GND
14 GND
Table A-9 Internal SCA-2 HDD Connector
Pin Signal Name Type Pin Signal Name Type
1 12VCharge (L) 41 12VGround (L)
2 12V (S) 42 12VGround (L)
3 12V (S) 43 12VGround (L)
412V (S) 44Mated1 (S)
5 Reserved/ESI-1 (S) 45 -EFW (L)
6 Reserved/ESI-2 (S) 46 DIFFSNS (L)
7 -DB(11) (S) 47 +DB(11) (S)
8 -DB(10) (S) 48 +DB(10) (S)
Table A-8 (continued) Ethernet Connector
Pin Signal










