Description
Usb To Ttl Cable Asic Miner
The Usb to ttl cable asic miner is a quality power solution for mining setups.
The essential diagnostic tool for ASIC miner repair and troubleshooting. This USB to TTL serial cable connects your computer to the serial debug port on Antminer and Whatsminer control boards, giving you direct console access to the miner’s firmware — the same access that professional repair technicians use.What You Can Do With It
- Read boot logs — diagnose why a miner won’t start or gets stuck during initialization
- Access the command line — run diagnostic commands, check hashboard detection, read temperature sensors
- Flash firmware — recover bricked miners by flashing firmware via serial console
- Debug network issues — troubleshoot when a miner is not accessible over the network
- Read error logs — identify specific chip failures, voltage issues, and fan errors
| Specifications | |
|---|---|
| Interface | USB 2.0 to TTL Serial (UART) |
| Logic Level | 3.3V |
| Baud Rate | Up to 115200 bps (standard for ASIC miners) |
| Connector | USB-A to pin header (GND, TX, RX, VCC) |
| OS Support | Windows, macOS, Linux |
Supported Miners
- Bitmain Antminer series (S9, S17, S19, S21, L3+, L7, etc.)
- MicroBT Whatsminer series (M30S, M50, etc.)
- Any ASIC miner or embedded device with a TTL serial debug header
What software do I use with this cable?
On Windows, use PuTTY or Tera Term. On macOS/Linux, use screen or minicom. Set the baud rate to 115200, data bits to 8, no parity, 1 stop bit (8N1). Connect GND to GND, TX to RX, and RX to TX on the miner’s debug header.
Is this the same as a regular USB serial cable?
Not quite. Standard USB serial cables output RS-232 voltage levels (up to +/-12V), which would damage your miner’s control board. This cable outputs 3.3V TTL levels, which is what ASIC miner debug ports expect. Using the wrong cable can permanently damage your control board.
Do I need this for basic mining?
No. For normal mining operation, you manage your miner through its web interface over the network. This cable is for diagnostics, repair, and firmware recovery — situations where the web interface is inaccessible or the miner is not booting properly.
D-Central Technologies — Bitcoin Mining Hackers since 2016. The repair tool that pays for itself the first time you use it. Every hash counts.
What software do I use with this cable?
On Windows, use PuTTY or Tera Term. On macOS/Linux, use screen or minicom. Set the baud rate to 115200, data bits to 8, no parity, 1 stop bit (8N1). Connect GND to GND, TX to RX, and RX to TX on the miner’s debug header.
Is this the same as a regular USB serial cable?
Not quite. Standard USB serial cables output RS-232 voltage levels (up to +/-12V), which would damage your miner’s control board. This cable outputs 3.3V TTL levels, which is what ASIC miner debug ports expect. Using the wrong cable can permanently damage your control board.
Do I need this for basic mining?
No. For normal mining operation, you manage your miner through its web interface over the network. This cable is for diagnostics, repair, and firmware recovery — situations where the web interface is inaccessible or the miner is not booting properly.
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