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DS26303LN-120+ Datasheet(PDF) 7 Page - Maxim Integrated Products |
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DS26303LN-120+ Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 97 page DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit 7 of 97 2 TELECOM SPECIFICATIONS COMPLIANCE The DS26303 LIU meets all the relevant latest telecommunications specifications. The following table provides the T1 specifications and relevant sections that are applicable to the DS26303. Table 2-1. T1-Related Telecommunications Specifications ANSI T1.102–Digital Hierarchy Electrical Interface AMI Coding B8ZS Substitution Definition DS1 Electrical Interface. Line rate ±32ppm; Pulse Amplitude between 2.4V to 3.6 V peak; Power level between 12.6dBm to 17.9dBm. The T1 pulse mask is provided that we comply. DSX-1 for cross connects the return loss is greater than 26dB. The DSX-1 cable is restricted up to 655 feet. This specification also provides cable characteristics of DSX-Cross Connect cable—22 AVG cable of 1000 feet. ANSI T1.231–Digital Hierarchy–Layer 1 in Service Performance Monitoring BPV Error Definition, Excessive Zero Definition, LOS description, AIS definition ANSI T1.403–Network and Customer Installation Interface–DS1 Electrical Interface Description of the Measurement of the T1 Characteristics—100 W, pulse shape and template according to T1.102; power level 12.4dBm to 19.7dBm when all ones are transmitted. LBO for the Customer Interface (CI) is specified as 0dB, 7.5dB, and 15dB. Line rate is ±32ppm. Pulse Amplitude is 2.4V to 3.6 V. AIS generation as unframed all ones is defined. The total cable attenuation is defined as 22dB. The DS26303 functions up to 36dB cable loss. Note that the pulse mask defined by T1.403 and T1.102 are different—specifically at Times 0.61, -0.27, -34, and 0.77. The DS26303 is compliant to both templates. Pub 62411 This specification has tighter jitter tolerance and transfer characteristics than other specifications. The jitter transfer characteristics are tighter than G.736 and jitter tolerance is tighter the G.823. |
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