Tektronix TFS 2020, Optical Fault Finder. Simple symbolic display. Fast restoration capability. 4 button operation. Multiple port configurations. High distance accuracy. User configured fault thresholds. options 02- Equip with Long Range Part . 09- Equip with MultImode (62 .5 pm) Short Range Port . MC - Equip with Multimode (50 pm) Short Range Port . MM - Equip with Long Range and Multimode (62 .5 pm) Short Range Ports . MN - Equip with Long Range and Multimode (50 pin) Short Range Ports . CONNECTOR OPTIONS - LONG RANGE 20 - Biconic 21 - FC 22 - D4 24- ST 25 - DIN 28 - SC CONNECTOR OPTIONS -- MULTIMODE SHORT RANGE 40 - B+conic 41 - FC 42 - D4 44 - ST 45 - DIN 46 - SMA 905,1906 48 - SC