Norstar 4X0 LS/DS Trunk Card

The Norstar LSDS 4X0 Trunk Card offer's the availability of up to 4 incoming telephone lines to be added to either the Nortel Networks Norstar Compact ICS or the Modular ICS Business telephone system.  Both telephone systems come from the manufacturer either 0 x 16 or 0 x 32 respectively, the first number representing the number of telephone lines the system is equipped with and the second number representing the number of stations(also called extensions) the system comes equipped with in its default fashion from Nortel Networks.  The Compact ICS allows for up to 8 incoming telephone lines and 16 extenions(24 extensions if an 0 x 8 station card is added to the system), therefor two Norstar 4 x 0 trunk cards can be installed in the Compact ICS KSU. The Norstar Modular ICS Business Telephone System has a maximum capability of up to 125 incoming telephone lines(standard) and up to 272 ports with expanded software. The number of 4X0 LS-DS Trunk Cards that can be added to the Norstar Modular ICS KSU depends on the need of the customer for incoming analog trunk lines. All of our packages include at least one 4X0 LS-DS Trunk Card.  It is important to note that the LS-DS trunk card does not support Caller ID.  For customers interested in utilizing Caller ID services we offer the Norstar 4X0 CID Trunk Card.