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Features:
 A standard 485, 485_A and 485_B two wire interface;

 USB interface to simulate a serial port, install the driver after the serial port can be considered a variety of operations.
USB interface to support USB2.0, compatible with USB1.1;
USB interface to directly powered, no external power supply;
Product images and interface description
USB interface for direct connection to the computer when using USB interfaces.
485 bus interface: RS485_A interfaces, RS485_B interfaces. Back of A, B word that interface,
485 bus with other devices to connect, to communicate.
Jumper J1: 120 Euro termination jumper. Disconnect (OPEN): termination disconnected. Shorted (CLOSE): termination access.
Jumper J2: No feature is not used.

Shipping

Orders would be shipped within 3 working days upon receiving cleard

payments when stock lasts. Delievery time depends on the shipping

method, the following is the typical time:
Faster courier(Such as EMS, DHL, UPS...) would take 3-7 days;
Air mail(Hong Kong air mail, Singapore air mail) would take 10-20 days.
Package might be delayed occasionally by the Customs or the carrier, we

sincerely hope each customer could give a few more days when this

happens.

Customer Service

We aim to do long term business and gain five-star ratings, so when

there is any delievery or quality issue, pls feel free to contact us

first before leaving any neutral or negative feedback. All emails would

be replied within 24 hours during the working days(Friday to Saturday,

9AM-6PM,Beijing time).

Return & Refund Policy

*Accept eligible returns within 7 days of receipt. Pls contact us for

return address and RMA# first.
*Original payment will be refunded within 2 business days of receiving

an authorized return. *Buyer needs to pay for all standard shipping

costs except that the return is the result of ours(e.g. defective or

incorrect item).

Warranty

All products purchased from us are under three-month warranty.
Finally we wish you a happy shopping experiece with us!