Compatible with RS-485TA/EIA standard
Automatically send and receive data: RS485 second-line (ANB) communication
Input interface: 2-way RS-485 interface
Output interface: 4-channel RS-485 interface
Communication rate: 300BPS-115.2KBPS (adaptive)
Working power supply: DC9-40V500mA
Load capacity: RS485 can connect 256 devices per interface
Communication distance: 3000 meters (per interface)
Work indicator: power, data direction indication, general indication
Working mode asynchronous half-duplex (RS-485)
Photoelectric isolation: isolation voltage 1 Kvrms / 500VDC absolutely, isolated DC / DC module. RS-485 provides 600W anti-rich wave, 15 KV ESD protection
Electrical interface: RS232, RS485 (6 and 10 core industrial terminal block), power supply (3.5 socket)
Transmission medium: twisted pair or shielded
Installation method: 35 mm DIN rail mounting
Structure size: 122x72x26 (mm)
Use environment: 40 ° C to 85 ° C, relative degree > 95% RH

Payment Method 

1.We accept PayPal only. Fastest and safest way for making a payment.

 2.Please make the payment via PayPal within 7 Days From the end of the auction end.

 3.Positive FB will be left after received your payment. 　

Shipping 　  

1.Item will be shipped within 2-4 business days upon receipt of payment ,we can ship it from DHL. fedex ,Singapore Post.Hong Kong Post, china Post or many other delivery service, 

please choose which delivery service do you need .

2.Please confirm your address after you bid the item.

Return Policy 　  

1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.  

2.If you do not satisfy with our items. Please simply return to us within 14 Days in original condition. Just pay for the returned postage.Then we can issue full refund to you after the returned item arrived 

at our warehouse.  

3.Please include your eBay ID and item number with any email requests. 　

Feedback & Contact US 　  

1.When you satisfied with our product and services please leave us positive feedback.  

2.If a problem occurs, contact us immediately with any email request. 

3.Just contact us using the " Ask the seller a question" link on eBay.