Serial Port Connectors; Usb Connectors; Table 43. External Rj-45 Serial Port A (Com1) (J7A1); Table 44. Internal 9-Pin Serial B (Com2) (J1A2) - Intel S5500WB Technical Product Specification

Intel® Server Board S5500WB TPS
7.4.6

Serial Port Connectors

The server board provides one external RJ-45 Serial A port (J7A1) and one internal 9-pin serial
B header (J1A2). The following tables define the pin-outs.
7.4.7

USB Connectors

The following table details the pin-out of the external USB connectors (J7A1, J7A2) found on
the back edge of the server board and the internal connector (J9D3) centered on the right side
of the board.
Pin
1 +5V
2 USB_N
3 USB_P
4 GND
Two 2x5 connectors on the server board provide an option to support an additional four USB
ports. The pin-out is the same for both of the connectors and is detailed in the following table.
Revision 1.3

Table 43. External RJ-45 Serial Port A (COM1) (J7A1)

Pin Signal Name
1 SPA_RTS
2 SPA_DTR
3 SPA_SOUT_N
4 GND

Table 44. Internal 9-pin Serial B (COM2) (J1A2)

Pin Signal Name
1 SPB_DCD
3 SPB_SIN_N
5 SPB_SOUT_N
7 SPB_DTR
9 GND

Table 45. External USB Connector (J8A1, J9A1))

Signal Name
USB Power
Differential data line paired with DATAH0
Differential date line paired with DATAL0
Ground

Table 46. Internal USB Connector (J1C1 and J9A2)

Pin Signal Name
1 NC
3 GND
5 USB_P
7 USB_N
9 +5V
Intel order number E53971-004
Connector / Header Locations and Pin-out
Pin Signal
5 SPA_RI
6 SPA_SIN
7 SPA_DSR
8 SPA_CTS
Pin Signal Name
2 SPB_DSR
4 SPB_RTS
6 SPB_CTS
8 SPB_RI
Description
Pin Signal Name
2 Key Pin
4 GND
6 USB_P
8 USB_N
10 +5V
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