the expansion kit includes a stacker tray module and one LG-600 SC-6-pack bracket to allow for up to six SC connections or 12 LC duplex connections.  An additional bracket may be used to increase connectivity to 12 SC or 24 LC connections using duplex adapters.  This kit allows for increasing splices with LL-2400, LL-2448 and LL-2448-48S splice trays.