User guide

A-4 RTM8050
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A.5 Dual USB Port (J7)
A.6 Serial Port(J9)
A.7 Hot Swap Hard Disk Module(J13)
Pin Signal
1 VCC
2 DATA-
3 DATA+
4 GND
Pin Signal
1 RTS
2 DTR
3 TX#
4 GND
5 N.C.
6 RX#
7 N.C.
8 CTS
Pin Signal Pin Signal
S1 GND P1 3.3V_SUS_HD
S2 PortA_TX+ P2 3.3V
S3 PortA_TX- P3 3.3V_PRE
S4 GND P4 SMB_SCL
S5 PortA_RX- P5 HD_PRESENT#
S6 PortA_RX+ P6 GND
S7 GND P7 5V_PRE
S8 GND P8 5V
S9 PortB_TX+ P9 5V
S10 PortB_TX- P10 V_PUMP_R
S11 GND P11 SMB_SDA
S12 PortB_RX- P12 GND
S13 PortB_RX+ P13 12V_PRE
S14 GND P14 12V
P15 12V