4 switchable digital ports (S0 int./ext., Up0) for the connection of ISDN exchange lines, terminals or system telephones + 4 Up0 ports for the connection of system telephones - without connection module
Tags: Module 4S/U+4U
4 switchable digital ports (S0 int./ext., Up0) for the connection of ISDN exchange lines, terminals or system telephones + 4 Up0 ports for the connection of system telephones - without connection module
Tags: Module 4S/U+4U