Turnstone M121 N-121 8-Port Serial Card

Turnstone M121 N-121 8-Port Serial Card
Turnstone M121 N-121 8-Port Serial Card
The Turnstone N-121 8-Port Serial Card (model M121) delivers reliable, high-performance serial connectivity for industrial PCs, servers, and embedded systems. Designed for demanding environments, this PCIe card provides eight independent RS-232/RS-48... Read More
price
$188.95
  • In Stock: 1
  • Manufacturer: Turnstone
  • Model or Part: M121
  • Condition: Refurbished
  • Weight: 15.00lb
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview

The Turnstone N-121 8-Port Serial Card (model M121) delivers reliable, high-performance serial connectivity for industrial PCs, servers, and embedded systems. Designed for demanding environments, this PCIe card provides eight independent RS-232/RS-485 ports, allowing you to connect legacy equipment, instrumentation, and automation devices without sacrificing speed or stability. Its plug-and-play architecture simplifies installation, while robust firmware ensures consistent data transmission even in noisy or high-temperature settings.

Key Features

  • Eight fully configurable serial ports (RS-232, RS-485, or RS-422 modes)
  • Independent FIFO buffers for each channel to prevent data loss
  • PCIe x1 interface with low profile form factor for space-constrained systems
  • Hardware flow control (RTS/CTS) and software flow control (XON/XOFF) support
  • Plug-and-play driver package for Windows and Linux operating systems
  • Auto-sensing of cable type and automatic line termination for RS-485
  • LED indicators for power, activity, and error status on each port

Technical Specifications

  • Interface: PCIe x1, low profile (6.6 cm height)
  • Serial ports: 8 x DB9 connectors
  • Supported standards: RS-232, RS-485, RS-422
  • Baud rates: 300 to 921600 bps (configurable)
  • Data bits: 5, 6, 7, or 8
  • Parity: None, Even, Odd, Mark, Space
  • Stop bits: 1, 1.5, or 2
  • FIFO depth: 64 bytes per channel
  • Operating temperature: -40 to 85 deg C
  • Power consumption: 5 W max
  • Dimensions: 100 mm x 90 mm x 16.5 mm (L x W x H)

Typical Applications

  • Industrial automation and PLC communication
  • Point of sale (POS) terminal integration
  • Medical device networking
  • Security and access control systems
  • Scientific instrumentation and data acquisition
  • Legacy equipment interfacing in manufacturing plants
  • Remote monitoring and telemetry stations