4port RS485 distributor/ 4 channel RS-485 Isolator Hub (JD-504A-2)

FOB Reference Price:Get Latest Price
1 Piece/Pieces (Min. Order)
Supply Ability:
20000 Piece/Pieces per Day
Report Suspicious Activity
Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Digital Camera
wall mount
RS485 hub
Special Features:
RS485 hub
Input power::
DC9~40V 500Ma
Work rate:
Every road RS - 485 support 128 nodes
0.45 kg (with accessories)
Operating temperature:
-10°C ~ +50°C
Products name:
4port RS485 distributor/ 4 channel RS-485 Isolator Hub
Packaging & Delivery
Packaging Details
standard color box
Delivery Time
3 working days

4port RS485 distributor/ 4 channel  RS-485 Isolator Hub

Product Description  


  1. Compatible with TIA/EIA RS - 485 standard.
  2. Automatically send/receive data, dispense with external flow control signal (RTS), RS - 485 interface for the green standard wire terminals.
  3. Perfect serial fault warning function, When one from serial interface failure (Short circuit and disconnect, etc.), The corresponding will warning lights, failure from a serial port does not affect the other from the normal communication of serial port.
  4. The main serial highest rate 115200bps, from the serial port highest rate 115200 BPS, transparent transmission, Don't need to change the user communication protocol and the data.
  5. RS485 switching HUB strong compatibility, Implement the physical layer design, Don't carry high-level protocol, compatible with any serial data transfer protocol.
  6. Develop strong, through the main serial port of a serial port can be many expand separator equipment, so as to realize the superposition of multiple devices, increase from the serial port access route.
  7. Can achieve the function of 485 signal remote transmission repeater, continuation of normal 485 data communication and guaranteed effectively.
  8. Every road interface with functions of data isolation, RS- 485 with 1500 w per line lightning protection, surge, + / - 15kv ESD protection and prevent interference.
  9. Applies to all communications used by software, plug and play.
  10. Support DOS/to WIN95 / WIN98 / WIN2000 / NT/XP Linux, etc..



Input power     

DC9~40V  500Ma


Work rate



Signal input

 2ch RS-485 ( Every road isolation communication interface are data)


Signal output

 4ch RS-485   2ch RS-485 ( Every road isolation communication interface are data)

Communication mode

  Simplex (data one-way communication)



Every road RS - 485 support 128 nodes


Traffic rate

  300-115200 BPS (baud rate adaptive, without being limited by the communication protocol)


Communication distance 

  Every road to extend the communication distance is 1200 m (RS - 485)


  The RS - 485 / RS - 422 star bus structure

Transmission media

  Twisted pair or shielded wire





0.45 kg (with accessories)

Operating temperature

   -10°C ~ +50°C


Operating humidity


0 ~ 95% (without condensate)

Error code rate


Packaging & Shipping  

Package:  1pcs/ box  

Delivery Time: 3working days after getting your payment for your trial order. Bulk order need to check with us according to your order quantity.

Our Services
  1. Fast reply your enquires with 24hours
  2. Top of security equipment manufacturer and supplier
  3. OEM/ODM welcome
  4. Exclusive design, different for better products with competitive price
  5. Strongly support technology and after-sale service
  6. 2years quality warranty
  7. Fast delivery, always have the goods in our stock. 
  8. Payment: TT or Western Union, MoneyGram
  9. Shipping: We have the strong cooperation with DHL, UPS, EMS, Fedex, China Post, you also  can choice your forwarder.
Company Information

Jinding Security Co Limited produce the IP camera, fisheyes camera, Hybrid network camera, NVR, SDVR, DVR,  Shenzhen Jinding Security Co Ltd sales staff members have rich sales experience with professional equipment and knowledge. We offer OEM and ODM service. In fact, our roster of clients includes 4000-plus buyers in more than 80 countries worldwide. We look forward to your continuous support.  



Need more information about the   4port RS485 distributor/ 4 channel  RS-485 Isolator Hub, please contact our sales team , we will reply you within 10 hours.


- Need find the  4port RS485 distributor/ 4 channel  RS-485 Isolator Hub supplier in China and get the  4port RS485 distributor/ 4 channel  RS-485 Isolator Hub wholesales price ? contact us right now ! we can make sure the best quality of  4port RS485 distributor/ 4 channel  RS-485 Isolator Hub and fast delivery time .