Avaya Definity TN570D Expansion Interface (Refurbished) Samsung 2 line x 20 character

2 line x 20 character display for status messages

Inter-tel Axxess 16-Port Single Line Card

Do not disturb

Mnfr Part #: AMHDST

8 lines by 16 stations phone system

Avaya Definity TN570D Expansion Interface (Refurbished) Samsung 2 line x 20 characterAvaya Definity TN570D Expansion Interface. More Information Provides interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets Used in a Port Network (PN) between a PN and another PN in a direct connect system, and between a PN and an SNI in a switch node carrier in a CSS connected system Provides control channel applications and time slot interchanging between the PPN and EPNs Used when ISDN BRI and or ASAI is