INTRODUCTIONPage 1-4SAFETYWARNING: It is the responsibility of the person who sells the system ofwhich the THN-MIM will be a part, to ensure that the total system meetsallowed limits of conducted and radiated emissions.Designed in accordance with UL478, UL910, NEC 725-2(b), CSA, IEC,TUV, VDE class A. Meets FCC part 15, Class A limits.SERVICEMTBF (MHBK-217D): >156,462 hr. predictedMTTR: <0.5 hr.PHYSICALDimensions: 13.4 D x 11.5 H x 2 W inchesWeight: 2 lbs.1.4 RELATED USER MANUALSThe manuals listed below should be used to supplement the proceduresand other technical data provided in this manual. The procedurescontained in these manuals will be referenced, rather than repeated inthis manual.• Cabletron Systems TMS-3 Transceiver User's Manual• Cabletron Systems LAN-MD Portable Ethernet Tester User'sManual