... Communications Technologies Training System, Model 8087, is a complete, state-of-the-art, digital communications training system, including instruments.Specially designed for hands-on training, this system ... Low-power for safety and compatibility• Short-circuit-proof• The Reconfigurable Training Module, Model 9431-1, used in the 8087 System is the same platform used for many other Lab-Volt Training ... insertion force (ZIF) connector, with a • rotary knob that locks the training module into the base unit. The ZIF connector itself is protected from damage by built-in stops.The fingers on the connectors...