USR TCP232 T2

Key Features & Highlights

• Compact Form Factor: PCB module approx. 55 × 22.6 × 23 mm with through-hole RJ45 jack

• Processor: 48 MHz ARM Cortex‑M0 running an embedded TCP/IP stack

⚙️ Electrical & Communication Specs

• Power Supply:

  • VDD: 5 V DC (4.75–5.5 V)

  • VCC: 3.3 V DC (3.15–3.45 V) (only one input used)

• Current Consumption: ~170 mA at both 5 V and 3.3 V

• Serial Interface: TTL-level UART (3.3 V), supports baud rates from 600 bps to 460.8 kbps; data bits 5–8, parity (None, Odd, Even, Mark, Space), stop bits 1 or 2

• Ethernet Interface: Single RJ45 port, 10/100 Mbps, Auto‑MDI/MDIX, magnetic isolation

🌐 Networking Modes

• DHCP & DNS client support

• Operates in various modes: TCP Server, TCP Client, UDP Server, UDP Client, HTTPD Client

• TCP Server can serve 1–16 simultaneous clients (default 4)

• Virtual COM Port support via USR‑VCOM software for Windows

🛠️ Management & Reliability

• Configure via web UI, AT commands over serial, or software tools

• Supports firmware upgrades over network

• Heartbeat and registration packet for connection monitoring

• Hardware & software watchdog with automatic reset

• Users can specify MAC address or use one from IEEE registry

🌡️ Environmental & Operating Specs

• Operating Temp: ‑25 °C to +75 °C

• Storage Temp: ‑40 °C to +105 °C

• Humidity: 5% to 95% RH (non-condensing)

🧩 Dimensions & Pinout

• PCB Size: 55.0 × 22.6 × 23.1 mm (T2 version)

• Pins include serial TX/RX, power (5 V/3.3 V), ground, and a FACTORY RESET pin

✅ Typical Applications

• Remote monitoring and device control

• Serial device networking (e.g., sensors, PLCs)

• Virtual COM ports for legacy equipment

• Gateway functions: Modbus RTU ↔ Modbus TCP, multi-host polling

📊 Spec Recap