Merlin Legend 400 EM Tie Line Module 61492

Eliminates toll expenses and adds a true Private Branch Exchange (PBX) feature-tie line support
Connects your Merlin Magix system to a remote PBX, another Merlin Magix, or a Merlin Legend System
Enables calls between systems to be handled as internal
Enables transferring outside calls between systems
Connects up to four 4 wire E&M tie lines