13 rj-45 lan connector, 14 usb connectors – Intel STL2 User Manual
Page 80

Jumpers and Connectors
STL2 Server Board TPS
5-72
Pin
Signal
Description
2
RXD
Receive data
3
TXD
Transmit data
4
DTR
Data terminal ready
5
GND
Ground
6
DSR
Data set ready
7
RTS
Return to send
8
CTS
Clear to send
9
RIA
Ring indication active
5.2.13 RJ-45 LAN Connector
Table 5-18. RJ-45 LAN Connector Signals
Pin
Signal
Description
1
TX+
Transmit data plus—the positive signal for the TD differential pair contains the serial output data
stream transmitted onto the network
2
TX-
Transmit data minus—the negative signal for the TD differential pair contains the same output as
pin 1
3
RX+
Receive data plus—the positive signal for the RD differential pair contains the serial input data
stream received from the network
4
NC
5
NC
6
RX-
Receive data minus—the negative signal for the RD differential pair contains the same input as
pin 3
7
NC
8
NC
5.2.14 USB Connectors
Table 5-19. USB Connectors
USB 1 Pin
Signal
USB 2 Pin
Signal
1
+5 VDC
1
+5 VDC
2
USB_P1_N
2
USB_P0_N
3
USB_P1_P
3
USB_P0_P
4
GND
4
GND