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Description
The ZL33036GKG is a highly integrated device that provides all of the functionality required for a central timing card in carrier grade network equipment. It supports input reference monitoring, automatic input reference selection, both external timing and line timing modes, hitless reference switching, wander and jitter filtering, and master/slave crossover for minimizing phase alignment between redundant timing cards. Additionally, it has an independent derived output timing path for support of the SETS functionality.
Specifications and features
- Supports the requirements of ITU-T G.8262 for synchronous Ethernet Equipment slave Clocks (EEC option 1 and 2)
- Supports the requirements of Telcordia GR-1244 Stratum 3 and GR-253, ITU-T G.813, and G.781 SETS
- Supports ITU-T G.823, G.824, and G.8261 for 2048 kbit/s and 1544 kbit/s interfaces
- Meets the SONET/SDH jitter generation requirements up to OC-48/STM-16
- Synchronizes to telecom reference clocks (2 kHz, N*8 kHz up to 77.76 MHz, 155.52 MHz) or to Ethernet reference clocks (25 MHz, 50 MHz, 62.5 MHz, 125 MHz)
- Supports composite clock inputs (64 kHz, 64 kHz + 8 kHz, 64 kHz + 8 kHz + 400 Hz)
- Generates standard SONET/SDH clock rates (e.g., 19.44 MHz, 38.88 MHz, 77.76 MHz, 155.52 MHz, 622.08 MHz) or Ethernet clock rates (e.g., 25 MHz, 50 MHz, 125 MHz, 156.25 MHz, 312.5 MHz) for synchronizing Gigabit Ethernet PHYs
- Programmable output synthesizers (P0, P1) generate telecom clock frequencies from any multiple of 8 kHz up to 100 MHz
- Generates several styles of telecom frame pulses with selectable pulse width, polarity, and frequency
- Provides two DPLLs which are independently configurable through a serial interface
- Internal state machine automatically controls mode of operation (free-run, locked, holdover)
- Flexible input reference monitoring automatically disqualifies references based on frequency and phase irregularities
- Provides automatic reference switching and holdover during loss of reference input
- Supports master/slave configuration and dynamic input to output delay compensation for AdvancedTCA™
- Configurable input to output delay and output to output phase alignment
Application Scenarios
The ZL33036GKG is suitable for ITU-T G.8262 system timing cards that support 1 GbE and 10 GbE interfaces, Telcordia GR-253 carrier grade SONET/SDH stratum 3 system timing cards, and system timing cards that support ITU-T G.781 SETS (SDH Equipment Timing Source).
Comparison
Advantages- Highly integrated device
- Supports various timing modes and functionalities required for a central timing card
- Flexible and configurable input/output options
- Automatic reference switching and holdover during loss of reference input
- Supports multiple clock rates and synchronizes to different reference clocks
DisadvantagesNo specific disadvantages were mentioned for the ZL33036GKG model.
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
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- Datasheet: Download ZL33036GKG
- Chipdatas Part: CD91-ZL33036GKG
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 19:10 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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