ULI-227D3 - RS-232 (DB9F) to 3.3 Volt TTL (DB9 Male) Converter, Port Powered
- Converts 2 channels in each direction from RS-232 to 3.3 V TTL/CMOS - Data rate: up to 115.2 kbps baud - Powered from RS-232 data/handshake lines (high or low) - no power supply needed - RS-232 DB9 female connector; TTL/CMOS DB9 male connector
Warranty:
12 months * * Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.
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To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.
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All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.
Delivery Estimates
The delivery time-frame (in days) for each product we sell is detailed on the individual product page just to the right of the main product image. From when you place your order, in-stock products typically arrive within 7-10 working days for all countries that we ship to.
Overseas Shipments
If you are located in New Zealand, you can order directly from our New Zealand site www.pbtech.co.nz. If you are located in Australia you can order directly from our Australian website www.pbtech.com/au
Returns & Warranty
7 day right of exchange
If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy.
To exchange a product, goods must be sealed / unopened, with packaging in original condition, and accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange.
If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase.
Please note, items purchased on finance cannot be exchanged for a gift card.
Hassle free warranty service
If your product develops a fault within the manufacturer warranty period, you need to fill out our request a return form.
If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.
Date Created: 21:04, 01-07-2026 Product URL: https://www.pbtech.com/product/IPCAVH220215/Advantech-BB-232LPTTL33-ULI-227D3---RS-232-DB9F-to
Features
ULI-227D3 - RS-232 (DB9F) to 3.3 Volt TTL (DB9 Male) Converter, Port Powered
- Converts 2 channels in each direction from RS-232 to 3.3 V TTL/CMOS - Data rate: up to 115.2 kbps baud - Powered from RS-232 data/handshake lines (high or low) - no power supply needed - RS-232 DB9 female connector; TTL/CMOS DB9 male connector
Specifications
General
Technology
Serial
Serial Communication
TTL & Current Loop Converter
RS-232 to TTL 3.3 Vdc
Serial Port Connector Type
1 x DB9 Female, 1 x DB9 Male
Serial Port Number
1
Maximum Serial Transmission Speed
115.2 Kbps
Environment
Operating Temperature
0 ~ 70°C (32 ~ 158°F)
Power
Power Input (Serial)
Port-Powered from RS-232
Accessory General
Mounting
Inline
Date Created: 21:04, 01-07-2026 Product URL: https://www.pbtech.com/product/IPCAVH220215/Advantech-BB-232LPTTL33-ULI-227D3---RS-232-DB9F-to
Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.
To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.
Shipping Security & Insurance
All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.
Delivery Estimates
The delivery time-frame (in days) for each product we sell is detailed on the individual product page just to the right of the main product image. From when you place your order, in-stock products typically arrive within 7-10 working days for all countries that we ship to.
Overseas Shipments
If you are located in New Zealand, you can order directly from our New Zealand site www.pbtech.co.nz. If you are located in Australia you can order directly from our Australian website www.pbtech.com/au
Returns & Warranty
7 day right of exchange
If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy.
To exchange a product, goods must be sealed / unopened, with packaging in original condition, and accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange.
If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase.
Please note, items purchased on finance cannot be exchanged for a gift card.
Hassle free warranty service
If your product develops a fault within the manufacturer warranty period, you need to fill out our request a return form.
If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.
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