Intel S1200BT Technical Product Specification - Page 121

Intel® Server Board S1200BT TPS Connector/Header Locations and Pin-outs Table 34. SAS Connector Pin-out (J2H1) Pin 1 2 3 4 5 6 7 Signal Name GND SATA/SAS_TX_P_C SATA/SAS_TX_N_C GND SATA/SAS_RX_N_C SATA/SAS_RX_P_C GND Description Ground Positive side of transmit differential pair Negative side of transmit differential pair Ground Negative side of receive differential pair Positive side of receive differential pair Ground 7.5.5 Serial Port Connectors The server board provides one external DB9 Serial A port (J8A1) and one internal 9-pin serial B header (J1B2). The following tables define the pin-outs. Table 35. External Serial A Port Pin-out (J8A1) Pin Signal Name 1 SPA_DCD 2 SPA_SIN_L 3 SPA_SOUT_N 4 SPA_DTR 5 GND 6 SPA_DSR 7 SPA_RTS 8 SPA_CTS 9 SPA_RI 10 NC Description DCD (carrier detect) RXD (receive data) TXD (Transmit data) DTR (Data terminal ready) Ground DSR (data set ready) RTS (request to send) CTS (clear to send) RI (Ring Indicate) Table 36. Internal 9-pin Serial B Header Pin-out (J1B2) Pin Signal Name Description 1 SPB_DCD DCD (carrier detect) 2 SPB_DSR DSR (data set ready) 3 SPB_SIN_L RXD (receive data) 4 SPB_RTS RTS (request to send) 5 SPB_SOUT_N TXD (Transmit data) 6 SPB_CTS CTS (clear to send) 7 SPB_DTR DTR (Data terminal ready) 8 SPB_RI RI (Ring indicate) 9 SPB_EN_N Enable 10 NC Revision 2.0 109 Intel order number G13326-004