How is silver satin cable typically pinned when connecting telephone equipment to wall outlets?

When connecting telephone equipment to wall outlets using silver satin cable, the typical practice is to reverse the wiring at opposite ends, a configuration known as cross-pinning. This method is essential for maintaining proper signal integrity and communication between devices.

Cross-pinning works by connecting specific pairs of wires in a way that ensures correct transmission paths, which is especially important in phone systems that require a certain configuration for optimal performance. When wires are reversed in this manner, it often matches the internal wiring of various telephone jacks and equipment, enabling successful connection and communication.

Using straight-through configurations or standard color codes would not yield the desired results for telephone usage, as they do not account for the necessary reversal of wiring to allow for proper signaling. Leaving wires unconnected is not practical for functioning telephone equipment, as it would prevent any form of communication. The cross-pinned design is a widely accepted standard for ensuring the effective operation of telephone systems.