EXSYS EX-1339HMVS Guia de Instalação descarregar pdf (Página 5)

8S RS232/422/485 Combo to USB2.0 Module Box

T1 to T8 DIP Switches:

Terminator Setting Table:

Switch Settings Description

Both RX+/RX- and TX+/TX-

Terminators are Disabled

(Default)

TX+/TX- Terminator

Enabled

TX+/TX- Terminator

Enabled

Both RX+/RX- and TX+/TX-

Terminators are Enabled

1 2 3 4

RXTM

TXTM

N/A

To Enable/Disable the 120 Ohm

Termination Resistor between RX+ and RX-

To Enable/Disable the 120 Ohm

Termination Resistor between TX+ and TX-

Unused Pins

1 2 3 4

RXTM

TXTM

N/A

1 2 3 4

RXTM

TXTM

N/A

1 2 3 4

RXTM

TXTM

N/A

1 2 3 4

RXTM

TXTM

N/A

1 2 3 4 5 6 7 8 9 10

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EXSYS EX-1339HMVS Guia de Instalação Página 5