Instruction Manual

Read the instructions for use before performing any operations and retain this document for

future reference.

The document provides instructions for the use of PCIE_4 COM card jumper caps. Be sure

to strictly follow the illustrations when setting jumpers.

Lenovo

Instructions for Use

Version No.: V2.0 2022.10

SP41E22346

For Barcode Position Only

4-Port Serial Expansion Card

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Lenovo 4-Port Serial Expansion Card Instructions for Use Version No.: V2.0 2022.10 For Barcode Position Only SP41E22346 Read the instructions for use before performing any operations and retain this document for future reference. The document provides instructions for the use of PCIE_4 COM card jumper caps. Be sure to strictly follow the illustrations when setting jumpers.
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Note To avoid hardware damage, do not arbitrarily change the jumper positions. The jumper setting instructions are provided below: Note The factory default setting is the Factory mode in each COM port list. The standard RS232 serial port is the M.1 mode in each COM port list. To enable the standard RS232 serial port, refer to the M.1 mode in each COM port list. 1 Diagrams for All COM1 Function Configurations COM1 Mode Output Status Diagram JP1 M.1 DCD RXD TXD DTR GND DSR RTS CTS RI M.
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2 Diagrams for All COM2 Function Configurations COM2 Mode Output Status Diagram JP2 JP3 JP4 JP5 M.
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3 Diagrams for All COM3 Function Configurations COM3 Mode Output Status Diagram JP6 JP7 M. 1 DCD RXD TXD DTR GND DSR RTS CTS M.2 Factory NC RI TXD TXD RXD RXD DCD DTR TXD TXD RXD RXD DCD DTR TXD TXD RXD RXD DCD DTR RXD TXD DTR GND DSR RTS CTS RI M. 3 DCD TXD RXD DTR GND DSR RTS CTS 4 RI Diagrams for All COM4 Function Configurations COM4 Mode Output Status Diagram JP8 JP9 M. 1 DCD RXD TXD DTR GND DSR RTS CTS M.