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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 des
ISDN U-BUS Input/Output Transformer TEW6181 TEW6181 is designed to interface with the subscribers premises (NT) and the 2- wire line side of the Central Office Equipment (LT) in the ISDN Network. TEW681 meet the electrical requirements for the MOTOROLA MC145572 device. Featu
Audio TEW6140 is a 1 :1 high impedance transformer with the following features. • • • • • Low profile. Conforming to FCC part 68 and CS 03 regulations. High inductance. Low bridging and insertion losses. Low cost. Bridging Transformer Applications: Bridging a telephon
ISDN U-BUS/DNIC Input/Output Transformer Applications: • • Digital subscriber lines. High speed data transmission over twisted wire. Digital PABX line cards and telephone sets. TEW6175 TEW6175 is designed and approved for Mitel MT8972 and MT8971B/72B devices. Features �
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