DS21Q59 vs. DS21Q50 Quad E1 Tr-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-p...

DS2154L vs. DS2153Q-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 t...

DS31256 and T1/E1 Interface-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 h...

Measuring Telecom Systems Agai-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 telecommuni...

Network Interface and Circuit-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 haz...

Pulse Template Measurement-Abstract: In the telecommunication industry it is often necessary to design equipment that interfaces with existing telecommunication systems. To ensure that a piece of equip...

Design Migration from DS21Q55-Abstract: The DS21Q55 is a quad multichip module (MCM) device featuring independent transceivers that can be software configured for T1, E1, or J1 operation. Each is compo...

T3/E3/STS-1 LIU Secondary Surg-Abstract: Application note 398 is a design guide that has all the information necessary for a designer to build a network interface circuit for a piece of telecommunicati...

Extended System Information Bu-Abstract: The 3-wire extended system information bus (ESIB) function allows the interrupt status or other user-selectable alarm status information for multiple single chi...

Additional Pulse Amplitude Set-Abstract: This application note shows how to use undocumented settings to modify output amplitudes. IntroductionThis application note provides the register settings for t...