Siemens REMBOX4 Four-Module Remote Lobby EnclosureDesigned for use in a Siemens Modular (or FireFinder) system, Model REMBOX4 has four inner door module spaces. Any combination of central processor units (two module spaces), switch module brackets, LVMs or FMTs (one module space each) can be used. Unused module spaces can be covered with Model ID SP blank plates. Model REMBOX4 can also mount a single RNI remote network interface on a bracket included in the backbox. A bracket called the REMBOX4 MP