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| ISDN S-Bus The 4 wire interface between Subscriber Terminals and the Network Termination has been standardized by CCITT recommendation I.430. It uses a passive bus which provides separate receiver and transmit loops operating at 192 Kbits/s. Two versions of TEW6197 have been designed and approved for use with the following devices: Input/Output Transformer TEW6197 Siemens PEB2080 PEB2081 PEB2085 PEB2086 Am79C30A MT8930A MT8930B MT8931B TEW6197 AMD TEW6197- 4 Mitel (See schematic below for correct connections.) MECHANICAL TEW6197-4 2 3 4 9 8 7 Top view 17.0 0.02 2.54 (8 places) 13.0 0.2 0.85 2.54 17.8 1.6 All dimensions 0.7 are in mm 13.0 10.16 TEW6197-4 4 3 2 7 8 9 RECOMMENDED FOOT PRINT < 13.0 7 Line 8 9 TEW6197 4 3 Device 2 ELECTRICAL Device 6197.chp TEW6197 PEB2080 PEB2085 PEB2086 Am79C30A (7 - 9) : (4 - 2) (7 - 9) (7 - 9) (7 - 9) (4 - 2) 1:2 > 22 mH < 12 H 1.0 9.0 TEW6197-4 MT8930A MT8930B MT8931B 1:2 > 22mH < 6.0 H 3.2 6.3 ISSUE: A Turns ratio Inductance Leakage Ind. DC Resistance 97/12/11 Output Impedance Pulse Characteristics Dielectric Strength, (rms) Conforms to the impedance mask specified in I.430 Conforms to the pulse mask specified in I.430 1500 V 1500 V Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 3K7, Tel : (613) 226 1626 Fax : (613) 226 7124 3-21 |
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