The Norstar 2 Port Expansion Card is used to add 2 extra connections to the Norstar Modular ICS Cabinet so that you may connect 2 expansion modules, such as the Norstar 12x0 trunk module or Norstar 0x16 station module.
The Nortel Norstar 4x0 Caller ID Trunk Cartridge provides the same functions as the LS-DS trunk cartridge, but it can also is used to add 4 incoming lines with Caller ID to your Norstar Modular 8X24.
The Norstar 6 Port Copper Expansion card works with the Norstar M8x24 KSU providing maximum expansion with a connection for up to 6 expansion modules (M 12x0 copper trunk module or M 0x16 copper station module) to be added to the system.
The Norstar 6 Port Expansion Card is used on the Norstar Modular ICS KSU unit and allows for up to 6 expansion modules (fiber trunk module or fiber station module) to be added to the MICS.
The Norstar 8 port TCM expansion card is compatible with the CICS and adds 8 stations to the Compact ICS configuration for a total of up to 24 station ports.