Mini PCIe to 8-Port RS232 Serial Card Industrial COM Port Expansion Adapter with 8 DB9 Outputs, 15KV ESD Protection, Wide Temperature Range -40°C~85°C, Compatible with Windows/Linux Systems

8-Port RS232 Expansion Industrial Communication Solution Adds 8 independent RS232 serial COM ports via a Mini PCIe slot, providing reliable communication for industrial controllers, servers, and embedded systems requiring multiple serial interfaces.; 15KV ESD Protection Stable Signal Transmission Each serial port includes 15KV ESD (electrostatic discharge) protection, ensuring safe and stable operation even in electrically noisy industrial environments.; Flexible Data Configuration Full Serial Protocol Support Supports 7/8 data bits, 1/2 stop bits, and parity modes (Even/Odd/Mark/Space/None) for wide compatibility with various RS232 devices and communication protocols.; Wide Temperature Design Industrial-Grade Reliability Built for harsh environments with an operating range of -40°C to 85°C (-40°F to 185°F) and storage range -65°C to 150°C (-85°F to 302°F).

Durable components ensure long-term stability and reliability.; Mini PCIe Interface Easy Integration & Broad Compatibility Compact size 50.95 ×30mm ( 2.01 × 1.18 in) fits embedded PCs, industrial motherboards, and network appliances. Compatible with Windows and Linux operating systems for flexible deployment.