Add to favorites
2 In 1 DB9 RS232 to RS485 TTL Serial Converter D-Sub 9Pin to 5Pin Screw Terminal Block RS232 to 3.3V/5V Interface Signal Adapter for Industrial Automation, PLC, Embedded Systems (DB9 Male) by Plinkwirekb - Used condition

2 In 1 DB9 RS232 to RS485 TTL Serial Converter D-Sub 9Pin to 5Pin Screw Terminal Block RS232 to 3.3V/5V Interface Signal Adapter for Industrial Automation, PLC, Embedded Systems (DB9 Male) — Open-Box, 21% Off

Brand: Plinkwirekb

Condition: Used
$1553
$1959
-21% Save $406
Updated: Yesterday

Description

【2-in-1 Serial Converter】DB9 to 5 Pin Terminal Block Adapter, Easily convert RS232 signals to RS485 (half-duplex) or TTL, which can be switched at will, enabling communication between different serial interfaces and protocols.without external power supply, Plug and Play. No driver installation required. 【Screw 5-Pin Terminal】Versatile 2 In 1 RS232 to RS485 TTL Serial Adapter With clearly labeled 5-Pin Screw Terminal Block, 3.81mm Pitch. 【3.3V and 5V TTL Interfaces】Offers both 3.3V and 5V TTL output, ensuring compatibility with low-voltage systems and embedded devices, providing flexibility for a wide range of applications. 【Two Installation Methods】Each DB9 Serial Port Converter is equipped with Screws and Nuts.Compatible with two locking methods, Front Rivet Nut and Rear Locking Screw, which can be switched at will.(Hex pillar: #4-40, H4.75*11.8mm; Screw: #4-40UNC). 【Application】Industrial 2 In 1 RS232 to RS485 TTL Serial Port Converter, for Industrial automation equipment communication (e.g., PLC and sensor), embedded systems, sensor networks, building control systems, and data acquisition, supporting long-distance communication and multi-device connectivity. 【Custom Cable】We are a professional cable manufacturer,please contact us for customised requirements.Please contact us if the cable you received is defective or does not work.We will solve the problems properly or send you a new replacement at once.

Specification:

Product Name: DB9 RS232 to RS485 TTL Serial Converter with 5-Pin Terminal Block

Drawing number: PCM-KW-475

Input Connector: DB9 Male

Output Connector: 5 Pin Terminal block, Pitch 3.81mm

Input Signal: RS232

Output signal: RS485, TTL

Pin Assignment (5P Terminal): A+, B-, GND, RXD, TXD

Screw: #4-40UNC

Hex pillar: #4-40, H4.75*11.8mm

Material: Wear-Resistant TPE

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b0fpfs4s3q
Model:
PCM-232-485/TTL
Country:
US
ASIN:
B0FPFS4S3Q

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $4 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Plinkwirekb products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

More open-box deals

Updated daily from Amazon, Reebelo, and Dyson.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.