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Black USB-A plug to shielded RJ45 cable 1.8m

Alphacool

Alphacool USB to RS485 RJ45 Adapter 1.8m 2 in 1 accessory

SKU CH-E4MJ-FDGK6

Connects a computer to PUSUNG or SUTEN Smart BMS units via USB and RJ45 using an FT232 chip and RS485 conversion

  • Connect PUSUNG and SUTEN Smart BMS units via USB
  • RS485 converter chip ensures stable USB to RJ45 signal conversion
  • 8 m shielded cable with sturdy connectors for durable daily use
  • Built-in FT232R chip enables instant plug-and-play connectivity
  • FT232RL chip provides broad operating system compatibility

USB-to-RS485 adapter for BMS monitoring

This adapter links a computer USB port to PUSUNG Series or SUTEN Smart BMS units over an RJ45 connection. It carries an FT232R chip that handles the USB-to-serial translation without extra drivers on most operating systems. The 1.8 m cable gives enough reach for bench or rack work.

Thermals noise and power draw

The device draws its power directly from the USB bus so no external supply is needed. With no active cooling or moving parts it runs silently and adds negligible heat to the system. Typical current stays well within standard USB limits during normal communication sessions.

Build quality and daily use

A shielded RJ45 lead and reinforced USB plug resist repeated insertion and cable routing stress. The moulded strain reliefs protect the internal wiring where the cable meets each connector. The FT232RL implementation keeps the link stable across long logging runs without timing drift.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $34.99
Cheaper than about 90% of the 7,473 comparable items (median $56.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I install the USB to RS485 adapter with the FT232R chip, and what step do people often miss?

Plug the USB end into the computer, connect the RJ45 end to the PUSUNG or SUTEN Smart BMS, then install the FTDI driver so the virtual COM port appears.

What maintenance or replacement will the 1.8 m shielded cable need over time?

Inspect the RJ45 clip and USB connector for bent pins or frayed shielding; replace the cable if the lock tab breaks or signal errors appear.

What limit appears first when the RS485 link runs continuously at high traffic?

The RS485 bus timing and the FT232RL buffer set the practical throughput ceiling before the USB host becomes the bottleneck.

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