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Outside Plant Telephone Cable Testing & Fault …
multimedia.3m.com1 Outside Plant Telephone Cable Testing & Fault Locating DynatelTM Systems Enter On Off ISDN 7 8 dB Auto 0 9 5 6 V 1 mA 2 4 3 S/N: 19970007 c 1997 3M Ver 1.01 USA On Off Setup Help