User`s guide

Intel® RAID Controller RS2SG244 Hardware User’s Guide 19
Figure 8. SFF8088 External Connector Cable
BBU Connector Pin-out
Table 4. BBU Connector Pin-out
GND A4 GND B4
RX 1+ A5 TX 1+ B5
RX 1- A6 TX 1- B6
GND A7 GND B7
RX 2+ A8 RX 2+ B8
RX 2- A9 RX 2- B9
GND A10 GND B10
RX 3+ A11 RX 3+ B11
RX 3- A12 RX 3- B12
GND A13 GND B13
Signal Pin Signal Pin
Th is cabl e is not included.
Pin # Name Description
1 P12V 12V Power
2 GND Ground
3 BATT_PRSNT Battery Present
4 GND Ground
5 P1V8 1.8V Power
6 GND Ground
7 P3V3 3.3V Power
8 GND Ground