SHDSL Module MTT® Plus SHDSL Test Module provides CPE installation, CO emulation pre-qualification, and IP/ ATM services testing capabilities for service installation and verification. The module is based on the industry leading Lantiq SOCRATES chipset, offering best-in-class SHDSL performance and interoperability. SHDSL is ideal for business class services, enterprise networks, and industrial communications that must rely on legacy copper based networks where fiber remains cost prohibitive. Utilizing SHDSL’s multiple pair bonding application enables robust data transmission over long copper lines.