This
expandable system is designed to meet the high growth potential of small and
medium sized businesses. The basic BT Meridian Norstar 8x24 CCU expands easily by simple
self contained add-on trunk and station modules.Any combination of six modules can be added to the BT Meridian Norstar CCU to a combined maximum of 128 total ports.
An expansion card is required to add modules to the 8x24 BT Meridian Norstar CCU. Expansion cards come in either 2-module expansion or 6-module expansion.
BT Meridian Norstar Station Module 0x16 provides for the addition of 16 extension ports, and the BT Meridian Norstar Trunk module 12x0 provides for a maximum of 12 trunk ports. These BT Meridian Norstar ports are built of 3 x4 channel analogue trunk cards, which reaches the maximum of the expansion module.