User`s guide

18 Intel® RAID Controller RS2SG244 Hardware User’s Guide
Figure 7. SFF8087 to Four-port Internal Cable with one SGPIO Connector
Table 3. SFF8088 External Connector Pin-out
A12 GND 7 GND Port 2
A13 RX2+ 6 TX+
A14 RX2- 5 TX-
B12 GND 4 GND
B13 TX2+ 2 RX+
B14 TX2- 3 RX-
B15 GND 1 GND
A15 GND 7 GND Port 3
A16 RX3+ 6 TX+
A17 RX3- 5 TX-
A18 GND 4 GND
B16 TX3+ 2 RX+
B17 TX3- 3 RX-
B18 GND 1 GND
Controller Connector Pin-out Backplane Connector Pin-out
Port
SFF-8087 Pin # Pin Definition Pin # Pin Definition
Signal Pin Signal Pin
GND A1 GND B1
RX 0+ A2 TX 0+ B2
RX 0- A3 TX 0- B3