CEPT TFS 2915 Output Transformer TFS2915 is specifically designed for use as an Output Transformer in CEPT applications. It has been approved by MITEL for use with their MH89780 & MH89790 devices. TFS2915 is available in 5 versions: 0 ,-1, -2 -4, & -5 for 75, 100,120 and 75/120Ω line impedances. Typical applications are: • PBX or computer to CEPT Digital Trunks. • High speed data link using CEPT Digital Trunk. • TDM Multiplexers. TFS2915-5 is designed and approved for MT89790B, which is operating from a single 5Vdc supply MECHANICAL 1 1 Device Device 4 5 4 Com 5 Line 2 8 Device 7 8 2 75 Line 120 Device 6 6 TFS2915-0 , -1, -2 TFS2915-4 & -5 Hole arrangement View in mounting direction All dimensions in inches GRID 0.1" X 0.1" 0.060" 0.047 ELECTRICAL SPECIFICATIONS 2915 - 0 -1 -2 -4 -5 75 Ω 100 Ω 120 Ω 75/120 Ω 75/120 Ω (4-8) (4-7) 0.49 0.65 0.81 0.81 0.49 > 1.0 > 0.6 (1-5):(2-6) (1-5):(4-8) (1-5):(4-7) 1:1 2.5:1 1:1 2.19:1 1:1 1.95:1 1:1 1.95:1 2.5:1 1 :1 1:1.33 1:1 1500 1500 1500 1500 1500 ISSUE : G 95/04/25 TFS2915.chp Line Impedance Inductance mH Turns Ratio Isolation Volts (rms) Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3 Tel : (613) 226 1626 Fax : (613) 226 7124 2-13