ADLINK TRL-40 - Manual (Page 30)

20 Introduction
BMC Console Port (JP3)
PCIe Mini-Card Function Selection (JP4/JP8)
SATA1 Function Selection (JP5)
Disable to use PCIe Mini-Card in mSATA mode.
COM1 Mode Selection (JP6/JP7)
Pin # Signal
1 VCC 3.3V
2 RX
3 TX
4 GND
Status Connection JP1
mSATA 1 – 2
PCIe (default) 2 – 3
Status Connection JP2
SATA (default) 1 – 2
Disabled 2 – 3
Status JP6 JP7
RS-232 Short 2-3 Short 1-2
RS-422 Short 2-3 Short 2-3
RS-485 Short 1-2 Short 2-3