Of all components in a channel, patch cords have to endure highest stress and wear. This is why many users rely on patch cords made by Telegärtner: Perfectly matched components, highest quality sta...
For Duplex connectors the fibre channels are crossed, i.e. channel termination A on the 1st side is connected to channel termination B on 2nd side. On simplex connectors the channels A/B are marked...