The Norstar Analog Station Module NTBB51CA-93 connects to your Norstar Modular ICS system in order to add 8 analog single line telephone ports. Compatible with Modular ICS products that have fiber interface capabilities. Standard module is compatible with all Modular ICS software releases. Supports eight data or voice analog devices. These ports can be used for either telephones, fax machines or modems. 2 ASM's can be connected to provide 16 ports via a Nortel fiber 2-port expansion card, Norstar fiber 6-port expansion card, or Norstar fiber 6-port combo expansion card. New + 2 year warranty.