TTL

Electrical/electronic/computer equipment, products and related accessories, namely, connectors and parts thereof, cable assemblies, transfer switches, converters/line drivers, [ printer buffers, ] modular patch panels, [ modems, ] computer networking products, namely, [ baluns, ] adapters, active and passive hubs, boosters, computer structural components, namely, printed circuit boards, resistors, capacitors, interface testers, data line testers, cable testers [, power conditioning products, namely, power strips, power centers, power line filters, battery power taps, uninterruptable power supplies ]