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Codex Storage Controller
The Storage Controller is the heart of a storage network. It holds nothing itself: it ties the members together, keeps the network's reservations and is the block every unit, terminal and interface is linked to. One controller is one network; you can build as many networks as you like.
- While its chunk is loaded, its network is open. Every linked member that is loaded and within 96 blocks joins it.
- It keeps the reservations of the Factory Controller (amounts held back for running jobs) and lets them run out when their time is up. They are saved with the world.
- When its chunk unloads, the network is saved and closed; the loaded members wait and join again as soon as the controller loads.
The controller needs no energy.
A right-click shows the state in the action bar, for example "Storage network: 4 units online, 37 kinds stored." The first number counts every member online, also Bulk Tanks, Warehouses and External Storage Interfaces.
Use the 
Quanta Linker on a member first, then on the controller. Linking needs the admin right on the controller and on the member. See Linking for every message.
When you break the controller, its network ends: every loaded member forgets the link, and the saved reservations are deleted. The members keep their contents. Place a new controller and link them again.
Warning
Moving the controller means linking every member again. Choose its place before you link many units.
While at least one member is online, the violet outer ring and the cyan inner ring turn against each other and the core glows. The status LEDs on the pillars show the state of the network: green while units are online, amber when the network's own members are more than three quarters full, red when no member is online.
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Ender Pearl | → Storage Controller |
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Tip
One network or several? One network is simplest: every terminal sees everything. Separate networks make sense for separate teams or for keeping a factory's stock apart from your personal storage.