Labels:text | screenshot | diagram OCR: THROUGH SPLICE AND THROUGH-CONNECT DESIGN Through spilte design PCS cabling Patch pontets cablinis Figure 1. In the through-splice designs of implementing a centralized fiber system, the low fiber-count horizontal fther cables are spliced to high fiber count backbone cables. In the through-connect design, horizontal callles are passively cross connected to backbone calles at the wiring closer.