Module description:
1 RS422 interface, two-way communication. A B Y Z ultra-long transmission 1000 meters
2 The module has 15KV ESD protection.
3 Add a 10 ohm current limiting and overcurrent protection resistor on the board.
4 modules with TVS diodes. Anti-lightning, anti-spike voltage.
5 The module has a 120 ohm terminal resistance, which can effectively reduce the long-distance communication echo interference.
6 There are power indicator and data transceiver indicator. Data status at a glance.
7 Module TTL side Use 5v DC power supply RXD TXD compatible with 5V logic signal.
8 The module adopts imported MAX490 chip, the stability and communication speed far exceed domestic products, up to 2.5MBPS.
9 Module size: 5.0cm*2.7cm
Q1: What Is Your Product Warranty?
A: We Guarantee Our Product Is Fit For Its Normal User Purposes And Is Free From Defects In Materials Or Workmanship.
Q2: What Is Your Company Policy On Defective Goods?
A: Our Company Keep Items Quality For A Long Time. If There Are Any Defective Goods Due To
Production Defects Or Transportation Problem, Please Contact Us. Our Customer Service Team Will Provide Immediate Response To
Complaints. We Will Try Our Best To Give You A Good Resolve Way.
Q3: What Is Your MOQ (minimum Order Quantity)?
A: Generally Our Moq Is No Limited. Please Have More Discussion With Us If Your Combination Of Models Is Complicated.
Q4:how About Getting Samples From You?
A: We Will Send You The Samples After We Receive The Payment For Samples. The Buyer Shall Afford The Shipping Cost. Please Have A
Confirm With Us Which Shipping Way Do You Want.
Q5:about The Shipment: What Type Of Shipment Will You Use?
A: We Usually Ship The Products By Express(delivery It To Your Door) Or By Air Freight To Your Nearest Airport, Shipping Days:3-7
Working Days Depend On Destination;if The Order Quantity Is Large, We May Ship By Sea Container And The Best Ship Way Is By Sea,
Shipping Days: Over 20 Working Days Depend On Destination Port.
Q6:what Packing Do You Use?
A: Neutral Package With Airbag Or Customized Package.
Q7:how Much Are The Shipping Cost?
A:shipping Cost Is Charged By The Package's Weight And Related To The Shipping Methods You Choose And Your Destination.
Q8:how To Order?
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Need your information, such as full name,country, city, detail address, post code, tax number ...
Step2. We Will Delivery by EMS POST, FedEx or DHL Within
3-5 Working Days After Payment Confirmed.
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