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
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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