EXSYS EX-48052 Specifications download pdf (Page 2)

2S RS422/485 Mini PCIe Card

There are 2 sets of the jumpers to set the settings for port 1 (S1) and port

2 (S2) respectively.

 Mode Selection Jumper: JP1 for S1, JP2 for S2

 Termination Resistor Enable/Disable Jumper: JP3 for S1, JP4 for S2

Mode Settings:

JP1 (for S1)

JP2 (for S2)

Description

RS485 2-wire mode

(Default)

RS485 4-wire mode

RS422 mode

2. Termination Resistor Enable/Disable: This jumper

enables/disables the 120 Ohm termination resistor between

DATA+ and DATA- of the RS485 transceiver:

JP3 (for S1)

JP4(for S2)

Description

Termination Resistor Disabled

(Default)

ON OFF

3. Jumper Settings

485-2W

485-4W

422

485-2W

485-4W

422

485-2W

485-4W

422

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EXSYS EX-48052 Specifications Page 2