SLMAV08N – Q2227-X300

The Siemens SLMAV08N (Q2227-X300) is an analogue subscriber line expansion module designed for Siemens / Unify enterprise PBX systems. It allows the connection of analogue devices such as telephones, fax machines, modems, and paging systems into digital PBX networks. The module performs reliable analogue-to-digital signal conversion and supports onboard ring voltage generation, eliminating the need for external ring sources. It is typically used to expand analogue extension capacity in HiPath and OpenScape systems, providing seamless integration of legacy analogue devices.