TimeSource 3550 (TS3550)

GNSS-based PRS platform used as a primary reference clock at key nodes.

Manufacturer: Symmetricom
Associated part numbers: 090-72510-71, 090-72550-71, 990-72015-72, 990-72055-96, 990-72055-99, 012-00014-01, 090-72000-01, 093-72010-98, 093-72050-93, 093-72050-94, 990-70005-01, 995-72000-99, 043-00018-02

Status:

Manufacture Discontinued Nov 9, 2023

Recommended replacement:

TP4100 or TP4500

Note:

The TimeSource 2000 series was discontinued in 2014 as well.

Recommended Modern Replacement

Modern telecom networks require secure, scalable, and fully supported timing platforms. For most legacy Symmetricom, Microsemi, Microchip, Datum, HP, Austron, and DCD systems, the recommended upgrade path is the TP4100 or TP4500.

The TP4100 provides a modular, carrier-grade timing platform capable of supporting PRS, BITS, NTP, PTP, and SyncE services with scalable architecture for core and aggregation sites.

The TP4500 offers a compact, integrated timing solution ideal for edge deployments, packet timing applications, and modernized BITS replacement strategies.

Both platforms provide long-term manufacturer support, improved security posture, and compatibility with current network synchronization standards.

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