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.
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...
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...
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...