---
lang: "en"
title: "Serial Converter, USB 2.0 Locked Serial Number to RS-422/485 TB"
sku: "BB-USPTL4-LS"
canonical_url: "https://shop.marcomweb.it/en/serial-networks/serial-converter-usb-20-locked-serial-number-to-rs-422485-tb"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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BB-USPTL4-LS:Serial Converter, USB 2.0 Locked Serial Number to RS-422/485 TB

Supports 2-wire RS-485 or 4-wire RS-422/485. Long-range and multi-drop communications. Easy to configure with a pluggable terminal block on the RS-422/485 side and a high-retention USB connector that works with a standard USB cable (included). LEDs indicate transmission and reception. Powered via USB port.

## Technical Specifications

- USB to RS-422/485 Converter
- USB powered port
- High-retention USB connector, plug-in serial terminal block
- 460.8 kbps serial data rate
- USB cable included
- Locked serial number - Simplifies use in service pool

---

Source: https://shop.marcomweb.it/en/serial-networks/serial-converter-usb-20-locked-serial-number-to-rs-422485-tb

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.