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Installation and Operation Manual
5. SPECIFICATIONS
5.1 Time Server Features and Specifications.
• Receive time information from GPS satellites anywhere on the surface of the earth.
• RFC1119/1305 NTP Protocol to serve time (Network Time Protocol).
• RFC1769/2030/4330 SNTP Protocol (Simple Network Time Protocol).
• Server Time Level: Stratum 1.
• NTP Server Time Precision: better than 1mS + network jitter.
• PTP Server Time Precision: better than 3uS + network jitter.
• All networked computing platforms support time synchronization either natively or with add on drivers
including: Windows, Macintosh, and Linux. Many other devices can access the device as well including VoIP
phones and digital clocks.
• 10M/100M adaptive network interface.
• Unit is capable of serving 750+ NTP synchronizations per second. That provides support for over 600,000+
devices updating every 15 minutes on the network.
• Active Patch GPS antenna included. Magnetic base.
• Compliant with FCC Part 15B, and CE marked for radiated emissions and is a lead free product.
• Power Requirements: 5W at startup and 2.5W continuous at 12V DC.
• Environmental Requirements: Commercial temperature range, 0-70C, 95% humidity non-condensing.
Altitude -304m to 18,000m.
• Networking: Static or DHCP IPv4 addressing. Standard browser interface for setup.
• Indications: Power, GPS Signal Lock, and 1PPS indications.
• Rear Connections: Power, Cat5 Ethernet, Serial (NOT FOR CUSTOMER USE), and GPS antenna via SMA
connection. Su3.3V and 5V active GPS antennas with internal jumper setting.
• Serial port outputs data every two seconds, including the following items: - IP, Time, GPS fix, Time known,
ptpClockClass, ptpClockAccuracy, ntpStratum.
• Mechanical Dimensions: 5 in. x 4.2 in. x 1.3in.
5.2 GPS Module Specifications.
• Based on MediaTek MT3339 Chipset.
• 22 channel low power receiver module.
• Sensitivity: -165dBm.
• GPS Time Precision: +/- 10ns RMS jitter.
• Antenna Connection: 1575.42MHz (L1 Band).
• TTFF (Time To First Fix).
• Cold start @-125dBm typically 33 seconds.
• Re-acquisition (<10s obstruction) typically 1 second.
5.3 Antenna Specifications.
• Active patch antenna with magnetic base.
• Size: 1.57 in. x 1.89 in. x 0.51 in thick, 43 grams.
• Amplifier: LNA +20dB Noise: 1.5dB VSWR: 2.0 Voltage: 2.7-6.0V.
• Cable: RG174, 5m length, SMA male.
• Environmental: -40 to +85C.
• Waterproof to IPx6
(Specifications are subject to change without notice)