Gr 1244 core pdf free

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. The digital synchronization network consists of clocks connected by digital facilities. The sm3 features four reference inputs that will auto. Click for pdf drm information publisher telcordia technologies. Bellcore gr1244core stratum 4 enhanced, stratum 4, and etsi ets 300 011. Sbc basic synchronization requirements for network elements the following requirements are taken from telcordia document gr 1244 core issue 2 december 2000. Free running from the shelfs internal stratum 3 timing generator no. The eti plugin card delivers advanced timing functions in the tellabs multiservice access platform msap. Table of contents telcordia gr1244 documentation information. The sonet ne is designed to operate in a network that complies with recommendations stated in gr253core and the following documents. Isotemps interpretation of the frequency stability requirements as outlined in bellcore gr 1244 core.

If the node is configured such that the clock source fails either due to a physical. Data sheet april 2012 ds3102 stratum 23e3 timing card ic. Compliant to stratum 3e of gr 1244 core surface mount 3. List of cts oscillators for telecom timing and synchronization. The procedure should agree with method 1010 of milstd 883c, with a minimum temperature ramp rate of 10cmin.

It will meet the jitter tolerance, jitter transfer, intrinsic jitter, frequency accuracy, capture range and phase change slope requirements for these specifications. 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. Gr436core, digital synchronization network plan gr378core, generic requirements for timing signal generators tsg ansi t1. C2560 tcxo corning frequency control product specifications v.

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. E3179e3179lf gr1244 and gr253 core stratum 3 minature surface mount tcxo marking manufacturers id cmac manufacturers identifier xx pad 1 static sensitivity identifier. 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. Isotemps interpretation of the frequency stability requirements as outlined in bellcore gr1244core. Stratum 23e3 timing card ic with synchronous ethernet support general description the ds3102 is a lowcost, featurerich timing ic for telecom timing cards. E3179e3179lf gr1244 and gr253 core stratum 3 minature. Engineered for best dynamic performance, the sit5357 is ideal for high reliability. Gr 1244 core, gr 253, as well as the utitgr 1244 core, gr 253, as well as the utit g. The tm2 series has an ultralow profile and measures a mere 2. In accordance with bellcores request for industry comments. Frequency change after reciprocal temperature ramped over the operating range.

Does not endorse or disclaim any requirements set by bellcore. Designed to support ieee1588 device suppliers like. 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. 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.

Common generic criteria gr1244 core 19, bellcore sonet private line service interface generic criteria for end users gr65 core 20, atm forum afphy0046. Locked to reference 1, locked to reference 2, holdover and free run. A synchronization solution for timing, jitter and wander concerns in a single module. Clock module meets gr1244core spec electronic design. E2791e2791lf gr1244 and gr253core stratum 3 minature. Inclusive of frequency stability, supply voltage change 1%, aging, for 24 hours. Supports four modes of, in according to bellcore gr 1244 core 3.

Gr1244core provides synchronization related criteria from the equipment point of view. Xo5x841588r series ocxo stratum 3e and ieee 1588 protocol. Engineered for best dynamic performance, the sit5356 is ideal for high reliability. The criteria designated as an sbc requirement are the basis for approval for any network element that requires timing in the synchronization network. Abbreviated part number 3179 oscillators date of manufacture yw note. Synchronization standards workshop on synchronization and. Complies with bellcore gr1244core and gr253core for smc applications. Stratum timing definitions based on telcordia gr1244core, issue 4, oct. Bellcore gr 1244 core gr 1244 core digital alarm clock by using ttl text. Available in clipped sine wave or cmos output available in 10 pad or 45 pad options low phase noise and excellent gsensitivity performance 1.

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. Free run accuracy maximum longterm 20 yrs deviation from the nominal frequency. E2791e2791lf gr1244 and gr253core stratum 3 minature surface mount tcxo cmac xx. Supports telcordia gr1244core stratum 4 and 4e supports itut g. Common generic criteria issue 3, may 2005 table of contents generic requirements gr1244core vi 3. The external timing interface eti plugin card is a universal common control unit used for let and rst operation. 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.

Common generic criteria issue 3, may 2005 table of contents generic requirements gr 1244 core vi 3. The mt90401 can operate in freerun, locked or holdover mode. Stratum 3e timing module mtimilliren technologies, inc. Tellabs multiservice access platform msap external. Tektronix warrants that this product will be free from defects in materials and workmanship for a. Synchronization in sonet networks the sonet homepage. Mt9041b t1e1 system synchronizer microchip technology. Stratum 3 and 3e oscillator requirements page 1 of 1 146015 this document is.

Revertive clocking clocking can be either revertive or nonrevertive. 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. 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. When all timing references fail, as specified in bellcore gr1244core, section 3. 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.