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GearMo GM-FTDI4X User Manual

4-port rs-232 usb 2.0 serial adapter w/led indicators

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User Manual
4-Port RS-232 USB 2.0 Serial Adapter
w/ LED Indicators Model No. GM-FTDI4X
gearmo.com

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Summary of Contents for GearMo GM-FTDI4X

  • Page 1 User Manual 4-Port RS-232 USB 2.0 Serial Adapter w/ LED Indicators Model No. GM-FTDI4X gearmo.com...
  • Page 2: Table Of Contents

    - Summary ........................- Functions ........................- Hardware Installation & Application ............- Performance Parameters ..................- Connector & Signal ....................- Product Dimensions & Connection Diagram ........- USB to RS-232 Communication ............... - Faults & Troubleshooting ..................gearmo.com/support...
  • Page 3: Summary

    RS-232 interface, so the USB to RS-232 converters are needed to transfer data between PC and RS-232 devices. GM-FTDI4X is a universal USB 4 port RS-232 converter which doesn’t need external power supply and is compatible with USB and RS-232 standards. It can convert single-end USB signal to RS-232 signal, and it has built-in automatic transmit-receive switch without time delay.
  • Page 4: Performance Parameters

    1. Pin assignment of RS-232C DB9M (PIN) RS-232C Data Carrier Detect (DCD) Receive Data SIN (RXD) Transmit Data SOUT (TXD) Data Terminal Ready (DTR) Signal Ground (GND) Data Set Ready (DSD) Request to Send (RTS) Clear to Send (CTS) Ring Indicator (RI) gearmo.com/support...
  • Page 5: Product Dimensions & Connection Diagram

    Product Dimension & Connection Diagram 1. Standard USB A-type male connector 2. Filter magnetic ring 3. Screened black standard USB 2.0 cable 4. Aesthetic shell (black) 5. Standard DB9 male connector 6. Master chip of FTDI company in England gearmo.com/support...
  • Page 6: Usb To Rs-232 Communication

    Check receive indicator and see if it flashes f. Check send indicator and see if it flashes 2. Data missing or incorrect a. Check to see whether the data rate and format at both ends of the communication equipment is consistent. gearmo.com/support...