2 XLi IEEE 1588 Clock
997-01510-03, Rev. C, 12/12/2006
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
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Only the features listed above are supported for the XLi IEEE 1588 clock. At the time of this writing, none
of the other options for the XLi Time and Frequency system are supported on the XLi IEEE 1588 clock.
Contact Symmetricom Sales to obtain a special supported configuration of the XLi IEEE 1588 clock. For
contact information, please see Sales and Customer Assistance (page 197).
1588-Related Specifications
The specifications in this section cover options included as standard features in the XLi IEEE 1588
Clock. See also “2: System Specifications” on page 9.
IEEE 1588 card
IEEE 1588 Subsystem
Compliance: IEEE 1588-2002
While operating as Grandmaster:
• Time stamp accuracy is equivalent to XLi clock accuracy: Please consult the datasheet online.
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• Sync Intervals: 1, 2, 8, 16, and 64 seconds
• Packet throughput: >100 Delay_Req/second
• Delay_Req buffer: 256 time stamps
While operating as a Slave:
• Sync accuracy to master via crossover cable: Please consult datasheet online.
• Sync Interval: 2 seconds
Physical
1. http://www.symmttm.com/pdf/gps/DS_XLi1588.pdf
Size: One option bay (1.9 cm h x 10.5 cm w x 17.4 d)
Connectors: One network port (RJ-45), labelled “1588”
One PPS output (BNC), labelled “SYNC OUT”
LEDs See “LEDs”, page 4.
