Gr 1244 core pdf free

Designed to support ieee1588 device suppliers like. Compliant to stratum 3e of gr 1244 core surface mount 3. Gr436core, digital synchronization network plan gr378core, generic requirements for timing signal generators tsg ansi t1. Isotemps interpretation of the frequency stability requirements as outlined in bellcore gr1244core. Supports telcordia gr1244core stratum 4 and 4e supports itut g. The sm3 timing module provides a clock output that meets or exceeds stratum 3 specifications given in gr 1244 core issue 2, gr 253 core issue 3, itut g. Sbc basic synchronization requirements for network elements the following requirements are taken from telcordia document gr 1244 core issue 2 december 2000. C2560 tcxo corning frequency control product specifications v. Complies with bellcore gr1244core and gr253core for smc applications. Stratum 23e3 timing card ic with synchronous ethernet support general description the ds3102 is a lowcost, featurerich timing ic for telecom timing cards. It meets gr1244core timing requirements and provides timing through the following sources. E3179e3179lf gr1244 and gr253 core stratum 3 minature. Mt9041b t1e1 system synchronizer microchip technology. The digital synchronization network consists of clocks connected by digital facilities.

This document provides criteria that apply to these various clocks deployed in telecommunications equipment such as. Cienas 6500 packet transport system pts addresses the growing need to maintain profitable delivery of tdm services while futureproofing investments toward an allpacket network modernization. E2791e2791lf gr1244 and gr253core stratum 3 minature surface mount tcxo cmac xx. Click for pdf drm information publisher telcordia technologies. Free running from the shelfs internal stratum 3 timing generator no. T1 waveform generation includes dsx1 line buildouts of 7. Inclusive of frequency stability, supply voltage change 1%, aging, for 24 hours.

E3179e3179lf gr1244 and gr253 core stratum 3 minature surface mount tcxo marking manufacturers id cmac manufacturers identifier xx pad 1 static sensitivity identifier. The sm3 features four reference inputs that will auto. Stratum 3e timing module mtimilliren technologies, inc. Since these clocks can have a critical impact on network performance, gr 1244 may be of significant value to telecommunications equipment manufacturers including both synchronizationrelated component and system manufacturers and telecommunications service providers. Clock module meets gr1244core spec electronic design.

The internal clock shall meet the holdover stability, pullin, holdin, free run, holdover recovery, wander transfer and input tolerance requirements as specified in gr1244core and gr253core. Engineered for best dynamic performance, the sit5356 is ideal for high reliability. The sonet ne is designed to operate in a network that complies with recommendations stated in gr253core and the following documents. Tellabs multiservice access platform msap external. List of cts oscillators for telecom timing and synchronization. Gr1244core provides synchronization related criteria from the equipment point of view. In accordance with bellcores request for industry comments. Sonet adms shall support the holdover clock mode as defined in section 5. Engineered for best dynamic performance, the sit5357 is ideal for high reliability. The tm2 series has an ultralow profile and measures a mere 2.

Gr 1244 core, gr 253, as well as the utitgr 1244 core, gr 253, as well as the utit g. With 8 input clocks, the device directly accepts both line timing from a large number of line cards and external timing from external ds1e1 bits transceivers. Frequency change after reciprocal temperature ramped over the operating range. Cca and ccb n internal stratum 3e holdover in a controlled environment if both cca and ccb signals degrade n internal stratum 3 oscillator in free run mode. The criteria designated as an sbc requirement are the basis for approval for any network element that requires timing in the synchronization network.

Tektronix warrants that this product will be free from defects in materials and workmanship for a. Connorwinfields stratum 3 timing module helps reduce the cost of your design by minimizing your development time and maximizing your control of the system clock with our simplified design. Synchronization standards workshop on synchronization and. Quality and reliability reliability test report aoc bellcore gr 468 core qualification 850nm vcsel lc tosa 850nm receiver lc rosa 0nm receiver lc rosa lcofe subassemblies scope and overview this report summarizes the test assessment results for aoc lc tosa and rosa products to verify product reliability compliance with the bellcore. Supports four modes of, in according to bellcore gr 1244 core 3. If the node is configured such that the clock source fails either due to a physical. The external timing interface eti plugin card is a universal common control unit used for let and rst operation. Free run accuracy maximum longterm 20 yrs deviation from the nominal frequency. Telcordiabellcore gr1244core clocks for the synchronized. Table of contents telcordia gr1244 documentation information. When all timing references fail, as specified in bellcore gr1244core, section 3. Core 18, bellcore clocks for the synchronized network. Si5348 rev d data sheet network synchronizer for synce 1588 ptp telecom boundary tbc and slave ttsc clocks the si5348 combines the industrys smallest footprint and lowest power network synchronizer clock with unmatched frequency synthesis flexibility and ultralow jitter. Bellcore gr 1244 core gr 1244 core digital alarm clock by using ttl text.

Abbreviated part number 3179 oscillators date of manufacture yw note. Available in clipped sine wave or cmos output available in 10 pad or 45 pad options low phase noise and excellent gsensitivity performance 1. Synchronization in sonet networks the sonet homepage. Stratum timing definitions based on telcordia gr1244core, issue 4, oct.

E2791e2791lf gr1244 and gr253core stratum 3 minature. Common generic criteria document number gr 1244 issue number 04 issue date oct 2009 replaces trnwt001244 issue01. Common generic criteria issue 3, may 2005 table of contents generic requirements gr 1244 core vi 3. Xo5x841588r series ocxo stratum 3e and ieee 1588 protocol.

Common generic criteria issue 3, may 2005 table of contents generic requirements gr1244core vi 3. Common generic criteria gr1244 core 19, bellcore sonet private line service interface generic criteria for end users gr65 core 20, atm forum afphy0046. Isotemps interpretation of the frequency stability requirements as outlined in bellcore gr 1244 core. Stratum 3 and 3e oscillator requirements page 1 of 1 146015 this document is. Locked to reference 1, locked to reference 2, holdover and free run. Does not endorse or disclaim any requirements set by bellcore. Si538384 rev d data sheet network synchronizer clocks supporting 1 pps to 750 mhz inputs the si538384 combines the industrys smallest footprint and lowest power network synchronizer clock with unmatched frequency synthesis flexibility and ultralow jitter. Data sheet april 2012 ds3102 stratum 23e3 timing card ic. The mt90401 can operate in freerun, locked or holdover mode. Using rclk in a bitsssu application 3 of 12 to the incoming signal and can be programmed for 0 to 43db or 0 to 12db for e1 applications and 0 to 30db or 0 to 36db for t1 applications. The eti plugin card delivers advanced timing functions in the tellabs multiservice access platform msap. It will meet the jitter tolerance, jitter transfer, intrinsic jitter, frequency accuracy, capture range and phase change slope requirements for these specifications.

Bellcore gr1244core stratum 4 enhanced, stratum 4, and etsi ets 300 011. Said to be the industryos first clock module to conform to gr1244core for a stratum 3e clock, the stms3e provides a backplane clock reference to line cards for use in tdm, pdh, sonet and sdh. Sweden 7 5 sek 325 526 478 785 881 1244 norway 7 5 nok 3 506 460 754 830 1195 russia 7 5 usd 49 79 73 119 5 180 remarks. The procedure should agree with method 1010 of milstd 883c, with a minimum temperature ramp rate of 10cmin. A synchronization solution for timing, jitter and wander concerns in a single module.