Black Box IC1157A Async RS232 to 5V TTL Interface Converter - DB9 to DB9

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Black Box IC1157A Async RS232 to 5V TTL Interface Converter - DB9 to DB9
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Only 12 left in stock - order soon! Inventory as of date 12/19/2025.
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Overview


Convert 5-V TTL to RS232 to enable easy connection of many commercial and industrial machines still using TTL as a means of communication.

The RS-232 to TTL Converter enables you to control TTL devices. The converter is fast, too - it supports serial data rates of up to 115 kbps!

Just plug it in and you're ready to go. This tiny converter takes almost no space at all, and you can use it with virtually any microcontroller or programmable logic controller that supports TTL.

It also converts two channels (TX and RX) in each direction from RS-232 to TTL.

Features

  • Simply and reliably converts 5-V TTL devices to RS232.
  • RS232 port powered.
  • Perfect for field service applications.
  • Bidirectional conversion of RS-232 to Transistor Transistor Logic (TTL) levels.
  • Converts two channels (TX and RX) in each direction.
  • Supports speeds of up to 115 kbps.
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