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Overview
The ZL30143 System Synchronizer and SETS device is a highly integrated device that provides all of the functionality that is required for a central timing card in carrier grade network equipment. The basic functions of a central timing card include:
• Input reference monitoring for both frequency accuracy and phase irregularities
• Automatic input reference selection
• Support of both external timing and line timing modes
• Hitless reference switching
• Wander and jitter filtering
• Master/slave crossover for minimizing phase alignment between redundant timing cards
• Independent derived output timing path for support of the SETS functionalityFeatures
• 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, 64kHz + 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 alignmentApplications
• ITU-T G.8262 System Timing Cards which support
1 GbE and 10 GbE interfaces
• Telcordia GR-253 Carrier Grade SONET/SDH
Stratum 3 System Timing Cards
• System Timing Cards which supports ITU-T G.781
SETS (SDH Equipment Timing Source) -
Similar parts: 430483 , Click to view
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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
Shipping fee:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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Popular parts of the same kind
- Datasheet: Download ZL30321 WA
- Chipdatas Part: CD86-ZL30321 WA
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/05/24 01:21 +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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