User's Manual

LGCell Expansion Hub
4-6 LGCell 4.0 Installation, Operation, and Reference Manual PN 8100-40
620004-0 Rev. B
4.2 LGCell Expansion Hub Rear Panel
The Expansion Hub’s rear panel has one air exhaust vent and no connectors.
4.3 LGCell Expansion Hub Alarm
The Expansion Hub communicates its status and the status of connected RAUs to the
Main Hub over the MMF cable. The Main Hub’s MMF port LEDs can be used to
help troubleshoot downstream problems; however, the LEDs do not indicate which
downstream unit has the alarm.