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Hewlett-Packard | HP
Hewlett-Packard (later changed to brand name of HP, and then changed again to brand name of Agilent) sold off its Netsync products line to Symmetricom in 201x and since then exited Netsync industry for good. Nevertheless, we still see such old/obsolete products in operation somewhere in the world while there are spare parts or refurbished units sold in the used equipment market.
Products
We only list down the obsoleted products for your reference. You may still find the old Hewlett-Packard/HP/Agilent labelled products in some network operators' environment.
HP5071A Cesium PRC
This is the evergreen better than Stratum-1 Cesium Clock used in a telecommunication network as the primary reference clock (PRC).
HP55300A GPS PRS
Carrier-grade Stratum-1 GPS Frequency Reference provides a stable 10MHz and a 1pps frequency reference and is used as primary reference source for telco equipment.
HP55400A SSU
Sync Tester. The Paragon-X is the definitive one-box solution to rigorously test SyncE, PTP and NTP mechanisms, as well as E1/T1 sync interfaces and Ethernet OAM.
HPE1748A Sync Tester
This was the heavy VXI frame Sync Tester produced by HP for jitter & wander, MTIE and TDEV measurement .
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