The **CB-108 Series** provides reliable **8-port RS-232 PC/104-Plus modules**, designed for high-speed serial communication over the **PCI-based PC/104-Plus bus**. With a **maximum baudrate of 921.6 kbps**, **built-in hardware and software flow control**, and **per-port Tx/Rx status LEDs**, these modules deliver stable performance for data-intensive applications.

All configuration (IRQ and I/O address) is **assigned by BIOS**, requiring no jumpers or manual setup. A **wide-temperature model (-40 to 85°C)** is available for harsh industrial environments. Optional **DB9 and DB25 connector cables** simplify device integration, while versatile OS driver support, including **Windows CE 5.0/6.0 and XP Embedded**, ensures deployment flexibility.

**Key Features:**

• 8x RS-232 ports via PC/104-Plus (PCI) interface
• Supports up to **921.6 kbps baudrate**
• **On-chip hardware and software flow control**
• **128-byte FIFO** per port for high-throughput stability
• **Built-in Tx/Rx status LEDs** for real-time diagnostics
• BIOS-assigned IRQ and I/O addresses (jumperless setup)
• Available in **-40 to 85°C wide-temperature version**
• OS support: Windows CE 5.0/6.0, XP Embedded, modern Windows systems

**Technical Specifications:**

Serial Interface:

• Number of Ports: 8
• Standard: RS-232
• FIFO: 128 bytes per port
• Baudrate: 50 bps to 921.6 kbps
• Data Bits: 5, 6, 7, 8
• Stop Bits: 1, 1.5, 2
• Parity: None, Even, Odd, Space, Mark
• Flow Control: None, RTS/CTS, XON/XOFF

System Integration:

• Bus: PC/104-Plus (PCI)
• Connector: 40-pin box header
• DIP Switches: Serial mode selection
• IRQ & I/O Address: Assigned by BIOS
• Max. Boards per PC: 8

Diagnostics:

• Status LEDs: Tx/Rx per port

Driver Support:

• Windows CE 5.0/6.0, XP Embedded, Windows 7/10
• Bundled with utility software for configuration and diagnostics

Optional Accessories:

• DB9 and DB25 cable kits (sold separately)

Warranty:

• 5 years (see www.moxa.com/warranty)