CA-104

• 4 RS-232 serial interface ports
• On-chip hardware flow control
• Built-in 15 KV ESD Surge Protection
• Jumper and DIP Switch selectable IRQ, I/O settings
• Onboard Tx, Rx LED indicators for each port
• Works perfectly with all major Operating Systems

CA-132/132I

• On-chip hardware flow control
• Built-in 15 KV ESD Surge Protection
• Jumper and DIP Switch selectable IRQ, I/O settings
• Onboard Tx, Rx LED indicators for each port
• Supports RS-485 ADDC™ (Automatic Data Direction Control) intelligence
• Built-in termination resistors enabled by DIP switch