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303025 - 4010 2-Channel RS232/RS485 Interface Converter

    RS485 Interface Converter
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Base Price:
Catalog No: 303025
Model No: 4010
Conversion Type:RS232, RS485
Converter Port Connector:DB15, DB25
Enclosure Configuration:Desktop


Shipping Terms

Shipments are made via UPS Ground, unless otherwise specified. Freight charges are prepaid and added to your invoice. We can estimate the freight costs for you.

We can ship freight collect on your account, just provide your UPS Account Number.

We can also ship via the carrier of your choice. Provide the details and your account number.

Products shall be shipped F.O.B. Electro Standards' facility. Title to and risk of loss or damage to the products shall pass to you upon Electro Standards delivery of the products to a carrier for shipment. Title to software will remain with the applicable licensor. Electro Standards' prices do not include shipping and handling charges. Electro Standards reserves the right to use its own discretion in the manner and routing of shipments. Electro Standards shall be permitted to deliver products in separate lots.

Shipping Return Policy

  • To return an item, contact Electro Standards at 401-943-1164 to obtain a Return Material Authorization (RMA) number. RMA numbers are valid for 30 days after the date of the shipment and cannot be extended or re-issued. We are unable to accept returns without an RMA number.
  • All returns except those of defective product are subject to a 15% restocking fee, and additional charges for handling or freight are refunded only in cases of defective products.
  • Return freight must be shipped prepaid. We recommend that you insure the package as you are responsible for risk of loss on all returned packages. We recommend that all cartons are properly packed as Electro Standards is not responsible for product damaged en route. We do not issue call tags for product returns.
  • Returned product must be clean, undamaged, and complete with all manuals, accessories, documents and packaging. The items must be in a resalable condition.
  • The product must have with it a copy of the original invoice or packing slip and the appropriate RMA paperwork.
  • If your item is not working properly, please contact Electro Standards at 401-943-1164 for help in trouble-shooting your application.
  • If the product is defective, Electro Standards will repair or replace that item (at our discretion) upon receipt and evaluation of the original product.
  • Electro Standards reserves the right to authorize product returns after 30 days from the invoice date in some cases. If the product is accepted after 30 days, credit will be issued toward future pruchases only and some additional restocking charges may be applied.
  • All credits from RMAs must be used within one calendar year of issue.

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Model 4010 2-Channel RS232/RS485 Interface Converter, Asynchronous

  • Connects single-ended RS232 interface to double-ended RS485 interface.
  • Municipalities, schools, government: This product is on GSA Schedule!

Model 4010 2-Channel RS232/RS485 Interface Converter, Asynchronous

The Model 4010 RS232/RS485 Interface Converter allows communication between devices having RS232 and RS485 interfaces. The Model 4010 is a bi-directional device that converts RS232 level data signals to valid RS485 levels, and RS485 level data signals to valid RS232 levels.

Signals of both the RS232 and RS485 interfaces are regenerated which maintain accurate adherence to interface specifications.  A wall mount power supply is included with the Model 4010.


Front Panel:

  • Signal Activity LEDs:
    • Two LED's display the transmit data (TD) signal activity for each Channel.
  • Power LED:
    • A single LED indicates when AC power is being supplied to the Model 4010

Rear Panel:

  • Data Interface:
    • Each of the RS232 interface ports is located on the rear panel of the unit and accessed via standard DB25 female connectors. 
    • Each of the RS485 interface ports is located on the rear panel of the unit and accessed via standard DB15 female connectors.  
  • Power Connector:
    • A 3-pin Phoenix connector located on the rear panel accepts the output power connector from the wallmount transformer.
  • Dimensions: 5.25" W x 2.35" H x 7.25" D.
    (13.3 x 6.0 x 18.4 cm)
  • Weight: Approximately 2 lbs. (0.9 Kg)
  • Power: UL approved wall mount power module, 120 VAC, 60 Hz.

APPLICATION: The drawing illustrates two channels, each with a DB25 port and a DB15 port.  Each channel can communicate between RS232 and RS485 interfaces.


DB25 / RS232  and DB15 / RS485

This high-quality network switch is available to city, state, and federal government purchasers at a discounted price and favorable payment and shipping terms via GSA Schedule GS-35F-0286V. Click GSA icon for details.

 *Prices online are subject to change and verification.
All ESL products are available for export.

Electro Standards Laboratories manufactures custom copper and fiber optic network switches. Call 401-943-1164 to speak to a knowledgeable sales engineer, or email eslab@electrostandards.com, or complete our custom copper network switch or custom fiber optic network switch on-line form.

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