Abstract: The Dallas Semiconductor framers can operate in a transparent mode in both the receive and transmit directions. The transmitter will not insert framing, signaling, or other information such as CRC or FDL. Generally, the receive s...

Abstract: The DS3112 has six different transmit clock and six different receive clock types: transmit DS3, DS2, DS1, E3, E2, and E1 clocks and receive DS3, DS2, DS1, E3, E2, and E1 clocks. Since the clocks at the same stage in the circuit ...

Abstract: This FAQ discusses answers to general communication questions as well as Maxim device-specific questions. This set of FAQs is designed to address some of...

Abstract: This application note describes how to convert T1 to E1 or vice versa using Dallas Semiconductor DS21X52 and DS21X54 single chip transceivers (SCTs) with the DS216xx clock adapter (CLAD). The DS21X52 SCT is used for T1 signals an...

Abstract: Application Note 381 contains information necessary to interface the Motorola MPC8260 processor to the DS2155 T1/E1/J1 Single Chip Transceiver (SCT). The application note covers interfacing both the address and data processor bus...

Abstract: This application assumes the dropped channels occupy the same timeslots as the inserted channels. The idle registers in the DS2152, DS2154, DS21X5Y and DS2155 can be used to fill unused (if any) channels. The used channels do not...

Abstract: Application note 376 provides the hardware and software requirements for using the DS21Q50 as a quad E1 transceiver. Two significant features are included for this type of application, Interleave Bus Operation (IBO) and a system ...

Abstract: Application Note 387 describes the use of the Dallas Semiconductor/Maxim DS2148/DS21348 as a T1 or E1 repeater. A simple circuit diagram shows typical connections. Configurations for Hardware Mode and Software Mode are also provi...

Abstract: This application note discusses how to connect various Dallas Semiconductor T1/E1/J1 single-chip transceivers (SCTs) or line interface units (LIUs) for 1+1 redundancy. It contains a simple hardware design without relays and softw...

Abstract: Application Note 325 is a Crystal Selection Guide for these Dallas Single Chip Transceivers: DS2151, DS2152, DS2153, DS2154, DS21552, DS21554, DS21352, DS21354 and DS2155. Specifications for selecting the approp...

Abstract: Application note 389 describes how to use the internal Bit Error Rate Test (BERT) controller found in the Dallas Semiconductor DS2155 T1/E1/J1 single chip transceiver (SCT). Testing the bit error rate of a line which carries voic...

Abstract: Application note 319 contains information necessary to interface the Motorola MC68360 processor to many of the Dallas Semiconductor single chip transceivers (SCTs). The application note covers interfacing both the address and dat...

Abstract: This application note covers how to decouple a framer from the line interface unit (LIU) so that the user can connect the LIU/framer to a Bipolar or NRZ mode device. ...

Abstract: This application note covers five topics concerning Dallas Semiconductor framers and single chip transceivers (SCTs). The first section provides a detailed explanation about how the framer or SCT synchronize to an incoming data s...

Abstract: Application Note 394 contains guidelines showing how to use the necessary operation modes inside our framers, transceivers or single-chip transceivers (SCTs) to route HDLC data. This application note lists the register descriptio...

Abstract: Application note 395 is provided for users of the DS21Q50 quad E1 transceiver whose application requires transmit and receive signaling. The DS21Q59 is pin-to-pin compatible and contains all the features of the DS21Q50 while addi...

Abstract: This application note highlights the differences between the DS2154L and the DS2153Q E1 single chip transceivers (SCTs). The DS2154L is a superset of the DS2153Q. All of the original features of the DS2153Q have been retained and...

Abstract: This application note discusses how to connect the DS31256 HDLC Controller to the DS2155, DS21Q55, DS21Q50 and DS26528 in T1/E1, 2MHz, 4MHz, 8MHz clock mode. The hardware connection and software configuration are given. ...

Abstract: Measuring T1/E1 and T3/E3 pulse masks and comparing them against specifications are discussed. A test fixture is utilized as an illustration. In the telecommunication industry, it is often necessary to design eq...

Abstract: T1/E1 single-chip transceivers (SCTs) are used in applications that connect directly to outgoing telephone lines. Because phone lines can expose circuitry to hazardous overvoltage or overcurrent conditions, protection networks (e...