HP (628646-001) Serial Port Controller Full Height (383033-001)
I/O Controller 2 | HW-group.com
PCI-E Express 2 Ports RS232 Serial Port Card COM Port Controller Windows & Linux | eBay
I/O Controller 2 | HW-group.com
Serial Port Controller Relay Board by Shenzhen Jingmin Digital Machine Co.,Ltd. | ID - 360234
Serial Port Control - Easy to use control intended for simplification serial port communication tasks in your projects.
Serial port controller
I/O Controller 2 | HW-group.com
8-Port RS-232 USB to Serial Adapter Data Control Box
RSS232 serial port control box
Extron IPL T S2 Two Serial Port IP Link Control Processor - WISE AV Solution
Serial Port Splitter - Share dataflow of one serial port among several applications or join dataflow of several serial port devices to one application.
Serial port - Wikipedia
Best Practices for RS-232 Serial Control - Aveo Systems
Amazon.com: PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Controller Card WCH382 Chip for Desktop PC Windows 10 with Low Bracket : Electronics
8-Port RS-232 USB to Serial Adapter Data Control Box - Coolgear
I/O Controller 2 | HW-group.com
FREE Remote Serial Ports: Share/Access COM Port over Network
5 wire Resistive Touch screen Controller, RS232 serial port
BOLT 18F2550 SYSTEM SERIAL PORT REMOTE CONTROL RS232 INTERFACE RFID BLUETOOTH APPLICATIONS SERIAL CABLE REMOTE CONTROL PUNTO FLOTANTE S.A
HWg I/O Controller, IP Relay ER02b, Portbox2, Portstore5 - IP Serial Products - MCS
