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free shipping!! port-powered RS232 to RS485 converters/RS485/RS232 Interface Data Converters/Wholesale & Retail
free shipping!! port-powered RS232 to RS485 converters/RS485/RS232 Interface Data Converters/Wholesale & Retail
Supplier Info
[China Supplier]
Contact Person : Ms. betty Miss
Tel : 86-755-25911778
Fax : 86-0755-25911778-806
Product Detail
Dimensions: 90.0mm*33.0mm*16.5mm(DB9) Material: Plastic(shell) Weight: 40g Warranty: 5 years Approvals: FCC, CE, RoHS

compatible with EIA IA's RS-232C, RS485 standard, 300bps-115.2kbps, 1200m(RS-485 port) 5m(RS-232 port)

 1. General

This product is the interface converter between RS-232 and RS-485. It is powered from serial port(such as COM port of computer ), no outside power needed. Small size, long transmission distance, high rate, stable performance. It applys DB9 common serial port. It is used widely in the field of electricity, industrial automatic control, IC card billing system. It is a high quality low price data interface conversion product.

2. Function & Features

          a) Convert RS-232 data transmit (TXD) and data receive (RXD) signal into balance half duplex RS-485 signals.

          b) No outside power needed, powered from RS-232 port

          c) Point to multiple point

          3. Performance parameter

Interface: Compatible with EIA/TIA RS-232C and RS-485 standard

Transmission rate: 0-115,200 bps

Transmission distance: 1,200m(RS-485 end) 5m (RS-232 end)

Working environment: -50 to 70, relative humidity 5% to 95%

4. Pin assignments

RS-232C P

IN explain RS-485 PIN explain

DB9 Felame (PIN)

RS-232C (DCE)

1

DCD

2

TD

3

RD

4

DTR

5

GND

6

DSR

7

RTS

8

CTS

DB9 Felame(PIN)

RS485

2

485-

7

485+

5

GND

          5. Use description

Note: 32 pieces of 485 equipment can be connected to this product.

          6. Application field

Point to point communication, industrial gathering and disperse distribution system, all kinds of remote control and measurement system, POS, banking, insurance, stocking, canteen meal selling system, transport billing system, all kinds of PLC, digital power meter, gas meter.

7Pack standardize      

100pcs/box

 

free shipping!! port-powered RS232 to RS485 converters/RS485/RS232 Interface Data Converters/Wholesale & Retail

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