SyncServer S100 / S200 / S250 / S300 / S350

Legacy NTP time servers designed for Stratum 1 (GPS) or Stratum 2 (upstream NTP) operation with multiple Ethernet ports and timing outputs depending on model.

Manufacturer: Symmetricom
Associated part numbers:1520R-s100, 150R-s200, 1520R-s200-OCXO, 1520R-S200-rb, 1520r-s200-dc, 1520r-s250, 1520r-s250-ocxo, 1520r-s250-dc, 1520r-s300, 1520r-s300-ocxo, 1520r-s300-rb, 1520r-s300-rb-dc, 1520r-s350, 1520r-350-ocxo, 1520r-s350-rb, 1520r-s350-rb-dc

Key capabilities:

  • High-bandwidth NTP time server, Stratum 1 via GPS
  • Three 10/100 Ethernet ports
  • Supports reference inputs like GPS, IRIG-B, 1PPS, 10 MHz (model dependent)
  • Management and security options include SSH/SSL/SNMP/HTTPS and IPv4/IPv6
Syncserver S100
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Status:

Manufacture Discontinued  Jun 30, 2016
End of Life: Jul 30, 2018

Recommended replacement:

TP4100 or TP4500

Note:

Optional secondary replacement (NTP-specific): S600 (if you want a dedicated “modern NTP server” path)

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.
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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.
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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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