GBCR Cable Connections (Configuration Type A)

The cables of the GBCR consist of the power cables, PGND cables, and signal cables.

• Distribution of Power Switches in the GBCR (Configuration Type A)
  Each of the six power outputs of the power distribution box at the top of the GBCR supplies power to a component in the GBCR in a fixed way.
• Connections of Power Cables and PGND Cables in the GBCR (Configuration Type A)
  The power cables of the GBCR are used to connect the PDF to the PDB. This ensures a stable power supply for the GBCR. The PGND cables are used to connect the cabinet to the PDF or to the grounding bar in the equipment room. This protects the cabinet from electrostatic discharge.
• Connections of Signal Cables in the GBCR (Configuration Type A)
  The signal cables in the GBCR consist of the active/standby 75-ohm coaxial cable, active/standby 120-ohm twisted pair cable, optical cable, straight-through cable,inter-GTNU cable, BITS clock cable, Y-shaped clock cable, and PDB monitoring signal cable.