Standard: Comply with USBV1.0, 1.1, 2.0 standards EIA RS-232, RS-422, RS-485 standards,

USB signal: VCC, DATA+, DATA-, GND

RS-232 signal: DB-9, GND, TXD, RXD

RS-422 signal: T+, T-, RX+, RX-

RS-485 signal: A, B

Working mode: asynchronous work, point-to-point or point-to-multipoint, 3-wire communication, 2-wire half-duplex, 4-wire full-duplex

Directional control: automatic data control and automatic control technology to automatically identify and control data transmission direction

Baud rate: 300-921.6Kbps, automatic detection of serial signal rate

Load capacity: support point-to-multipoint per converter allows connection of 128 RS-422 or RS-485 interfaces

device

Transmission distance: USB interface does not exceed 5 meters, RS-232 interface does not exceed 15 meters, RS-422/RS-485

Interface is more than 1200 meters

Interface protection: surge protection, ±15KV static protection

Interface form: USB end B type connector female head, DB9 male connector, 6 position binding post

Signal indication: 2 signal indicator transmission (TXD), reception (RXD)

Transmission medium: DB9 line, twisted pair, shielded line

Document size: 95mm*50mm*31mm

Use environment: -40 ° C to 85 ° C, relative humidity of 5% to 95%

Support Win full range / Linux, etc.

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.