Feature:
1. Prevent bus failure and damage caused by the voltage difference between the power supplies at both ends of the master and slave.
2. Photoelectric isolation, automatic sensing, stable performance, high?speed transmission.
3. Safety , port with reverse connection, short-circuit alarm indication and can automatically isolate faulty channels.

Specification:
Item Type: RS485 Hub
Material: ABS
Model: YN1208
Working Power Requirements: Voltage in the Range Of DC9-24V
Interface Characteristics Compatible: EIA/TIA RS-232, RS-485 Standards
Electrical Interface: Pluggable Terminal Block
Working Mode: Asynchronous Half-Duplex
Interface : 600W Thunderstruck
Transmission Medium: Twisted Pair or Shielded Twisted Pair
Maximum Number Of Nodes: 32 (128 Can Be Customized)
Transmission Rate: 1200bps to 115.2kbps (187.5K Can Be Customized)
Isolation Voltage: 1000VDC Photoelectric Isolation
Power Consumption: 2W at +9?24VDC
Maximum Transmission Distance: 1200m (4000ft) at 9600bps
Status Indication: Real-Time Display of On-Board Transceiver Lights
Working Temperature -20?~+65?
Working Humidity 25%~95% (Non-Condensing)

Package List:
1 x RS485 Hub
1 x English User Manual

Note:
1. After connecting the positive and negative poles of the power supply, the Power light should be in a steady green state.
2. Working power requirements: voltage in the range of 9 to 24V, current greater than 0.75A