Rocstor - DB9 to RJ45 Serial Adapter - Gold Contacts - Black

C2G 02457 MultiSync VGA (HD15) Male to DB9 Female Serial RS232 Adapter, Beige

The DB9-TERS DB9 Serial Tester is a simple, plug-and-play tool that helps you troubleshoot and monitor RS-232 connections with ease. Equipped with dual-color LEDs, it provides a clear visual of data transmission and reception activity across all 9 pins with no power source required. Designed with both DB9 male and female connectors, this compact tester fits seamlessly between your RS-232 host and device, making it perfect for verifying DTE and DCE interfaces. It supports data rates up to 200Kbps and works across Windows, macOS, and Linux systems. Whether you're testing communication lines or checking pin activity, this tester keeps things easy and efficient.

The USB 3.0 Gigabit Ethernet Adapter gives you the ability to add a Gigabit Ethernet port to your laptop or MacBook though a single USB 3.0 Type-A port, supporting 10/100/1000 Mbps Ethernet and is fully compatible with IEEE 802.3/az/u/ab/x standards. This ethernet adapter provides full gigabit bandwidth and offers backward compatibility with USB 2.0. It also supports features such as IPv4/IPv6/TCP/UDP packet Checksum Offload Engine (COE) and TCP Large Send Offload to reduce the load on your CPU. Jumbo Frames, full-duplex operation, VLAN tagging and 2 VLAN ID filtering are also supported, making this an ideal replacement LAN adapter or laptop accessory in areas without Wi-Fi or if you just want to increase your Internet speed.