DOTECH AX7241 Manual - Halaman 2

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USB

RS485

RS485 Signal Converter AX7241 Manual

Feature

- USB A to Mini A 5Pin

- USB to RS485 duplex converter of virtual Com type

- Built in surge protector

- No need a control signal as a Tx-Enable (No need to control using RTS, CTS, DTR, DTE)

- Stable data transmission just by TXD, RXD, GND signal (1200~1M BPS)

- It is possible to check current communication conditions through Status LED, TXD, RXD

Accessories

- AX7241(1EA)

- DeviceDRV CD(1EA)

- USB extension cable : 1.2 m (1EA)

- 3 Pin connector (1EA)

- User manual (1EA)

Product Terminal Description

- Terminal Description

TRX- : RS485 Negative Signal (The same signal with other products B, -)

TRX+ : RS485 Positive Signal (The same signal with other products A, -)

- The efficiency of termination resistance

In the case of terminating resistance, binding internal RS485 by 120 ohms, can get effect about

efficiency of external noise and signal transduction.

Thus, if 1:1, Host and Client-ended are better to process termination, if 1:N, it is better to

process termination only for Host and end Client module.

USB to RS485 Converter

Appearance

65mm

AX7241

37mm