IBM 5147-024 Manual page 36

Figure 19. Mode 2 connection of one ESLS by using X12 cables to two FC EJ0L SAS adapter pairs or two FC EJ14
SAS adapter pairs with AA cables
20. Complete a mode 4 connection of one enclosure (A) by using X12 cables (B) to four independent FC
EJ0J or FC EJ0M SAS adapters, as shown in Figure 20 on page 21, and then continue with
"Connecting cables, power cords, and installing covers" on page 22.
Note: Refer to Figure 21 on page 21 for label examples of these cable identifiers.
v The cable that plugs into independent SAS adapter 1 (C) contains a label with the P1 identifier
(G). This adapter does not have access to any other independent adapter and has access only to
drive bays D1 - D6 (D1 - D3 for the ESLL).
v The cable that plugs into independent SAS adapter 2 (D) contains a label with the P2 identifier
(G). This adapter does not have access to any other independent adapter and has access only to
drive bays D7 - D12 (D4 - D6 for the ESLL).
v The cable that plugs into independent SAS adapter 3 (E) contains a label with the P1 identifier
(G). This adapter does not have access to any other independent adapter and has access only to
drive bays D13 - D18 (D7 - D9 for the ESLL).
v The cable that plugs into independent SAS adapter 4 (F) contains a label with the P2 identifier
(G). This adapter does not have access to any other independent adapter and has access only to
drive bays D19 - D24 (D10 - D12 for the ESLL).
Note: Partial mode 4 configurations are supported with less than 4 adapters leaving an adapter end
of the X12 cable not connected.
20
Power Systems: Installing the Model 024, ESLL, or ESLS storage enclosure