VersaSync Rugged GPS Time & Frequency Reference System
Key Features:
- GNSS Master Clock & NTP/PTP Time Server
- Low Size, Weight & Power
- Ruggedised (MIL-STD-810G)
- Customised COTS Available.
- MIL-STD Environmental Qualified.
- VITA 75 Form Factor.
Overview:
The Safran VersaSync is a low SWaP high performance GNSS master clock and network time server that delivers accurate, software configurable time and frequency signals under all circumstances, including GNSS-denied environments.
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Specifications
- System
Timing Signals (GNSS RF):
L1 GPS, GLONASS 72 channels, T-RAIM integrity monitoring (Option: L1/L2, MCODE) Coding/Modulation.
1 Input.
Timing Signals (10 MHz):
Sine (10 dBm) Coding/Modulation.
4 Outputs.
Timing Signals (Pulse/DCLS TTL Level):
1PPS, xPPS, IRIG, HaveQuick, Alarm Coding/Modulation.
2 Inputs (Max) / 5 Outputs (Max).
Timing Signals (Pulse/DCLS 10 VDC):
1PPS, xPPS, IRIG, HaveQuick, Alarm Coding/Modulation.
1 Inputs (Max) / 1 Outputs (Max).
Timing Signals (RS232):
NMEA 0183 (Other ASCII ToD Formats) Coding/Modulation.
3 Inputs (Max) / 3 Outputs (Max).
Timing Signals (RS485):
HaveQuick, xPPS Coding/Modulation.
3 Inputs (Max) / 4 Outputs (Max).
Timing Signals (NTP over LAN (GbE)):
NTP v3, v4; Client, Server Coding/Modulation.
2.
Timing Signals (PTP over LAN (GbE)):
PTP v1, v2; Master Coding/Modulation.
2.
Timing & Frequency Performance (Relative Frequency Variation with Aging):
24 Hours / 1 x 10-10 OCXO High Performance / No mRO-50.
One Month / 3 x 10-9 OCXO High Performance / 1 x 10-10 mRO-50.
One Year / 3 x 10-8 OCXO High Performance / 1 x 10-9 mRO-50.
Timing & Frequency Performance (Relative Frequency Variation with Temperature):
±1 x 10-9 OCXO High Performance / ±1 x 10-9 mRO-50.
-40°C to +71 °C OCXO High Performance / -10°C to 65°C mRO-50.
Timing & Frequency Performance (Short Term Stability (Allan Deviation)):
@1 s / 1 x 10-10 OCXO High Performance / 1 x 10-10 mRO-50.
@10 s / 3 x 10-11 OCXO High Performance / 3 x 10-11 mRO-50.
@100 s / 3 x 10-11 OCXO High Performance / 1 x 10-11 mRO-50.
Timing & Frequency Performance (Phase Noise on 10 MHz Output):
@ 10 Hz / – 115 dBc/Hz OCXO High Performance / – 90 dBc/Hz mRO-50.
@ 100 Hz / – 133 dBc/Hz OCXO High Performance / – 110 dBc/Hz mRO-50.
@ 1 kHz / – 147 dBc/Hz OCXO High Performance / – 135 dBc/Hz mRO-50.
@ 100 kHz / – 155 dBc/Hz OCXO High Performance / – 140 dBc/Hz mRO-50.
Timing & Frequency Performance (Harmonic Distortion):
– 40 dBc.
Timing & Frequency Performance (Spurious):
– 60 dBc.
Timing & Frequency Performance (Frequency Accuracy Averaged Over 24 hour when Locked on GNSS):
2 x 10-12 OCXO High Performance / 1 x 10-12 mRO-50.
Timing & Frequency Performance (Phase (1 PPS) Drift in Holdover (no reference available), at constant temperature, following 48 hours disciplining):
4 Hours / 1.5 µs OCXO High Performance / 0.2 µs mRO-50.
24 Hours / 10 µs OCXO High Performance / 1.5 µs mRO-50.
7 Days / 0.4 µs OCXO High Performance / 20 µs mRO-50.
Timing & Frequency Performance (Phase (1 PPS) Accuracy to UTC when locked on GNSS):
±15 ns.
- I/O
Timing Signals (GNSS RF):
SMA (5V DC Power supply to antenna).
Timing Signals (10 MHz):
SMA.
Timing Signals (Pulse/DCLS TTL Level):
I/O Connector.
Timing Signals (Pulse/DCLS 10 VDC):
I/O Connector.
Timing Signals (RS232):
I/O Connector.
Timing Signals (RS485):
I/O Connector.
Timing Signals (NTP over LAN (GbE)):
I/O Connector.
Timing Signals (PTP over LAN (GbE)):
I/O Connector.
Front Panel Connectors (GNSS RF Input):
GNSS Signal (SMA)*.
Front Panel Connectors (Power Input):
DC Power (Circular MIL-Type)*.
Front Panel Connectors (Frequency Output):
10 MHz Sine (SMA)*.
Front Panel Connectors (Timing In/Out):
Pulse/DCLS, RS232, RS485 also USB communications (Circular MIL-Type)*.
Front Panel Connectors (GbE):
NTP, PTP Navigation messages monitoring (Circular MIL-Type)*.
Front Panel Connectors (M-Code Keyloader):
DS101, DS102 (Circular MIL-Type)*.
*Connector pin-outs available in the user manual.
- Power
Input Voltage:
10V to 32V DC.
Main Power:
10W.
Standby Mode Power:
1.5 W.
- Environmental
Operating Temperature (Mounting Plate):
-40°C to +71°C With OCXO.
-40°C to +65 °C With mini Rub.
Storage Temperature:
-45°C to +85°C.
Humidity:
95% RH (Non-condensing).
Altitude:
45,000 ft.
Environmental Protection:
IP 65.
Vibration:
MIL-STD-810G Method 514.6E-1 (7.7 g rms / 20 to 1000 Hz) and 514.6E-2.
Shock:
20 g, 11 ms (Sawtooth).
EMI/EMC:
Tested according to MIL-STD-461F.
Regulatory Approvals:
CE Mark, RoHS, WEEE compliant.
- Mechanical
Dimensions (W x H x D):
147.3 x 127.5 x 63.0 mm (5.8”x 2.5”x 5.0”) VITA 75 Compliant.
Weight:
0.91 kg (2.0 lbs).
Mounting:
On a plate / Optimised for conduction cooling (6 Through holes).
- Other Features
Operational Readiness (1PPS Time of day available (hot start)):
60 s (1ms accuracy to UTC).
200 s (1µs accuracy to UTC).
Timing:
NTP v2, v3, v4 (Complies with RFC 1305 and 5905) (Supports Unicast, Broadcast, Multicast, Symmetric Key Encryption, Peering, Stratum 2).
SNTP v3, v4 (Complies with RFC 1769, 2030, 4330, and 5905).
PTP v2 (Complies with IEEE 1588:2019) (Supports Master, Slave, E2E, IPv4/v6, Multicast, Unicast, Hybrid modes).
PTP Supported profiles (Default) (Power (IEEE 61850-9-3, IEEE C37.238-2011/2017), telecom (ITU-T G.8265.1, G.8275.2 master only).
Management & Communications:
IPv4/IPv6 (Dual stack).
VLAN Support.
DHCPv4/DHCPv6 (AUTOCONF)/SLAAC (Automatic IP address assignment).
Syslog (Logging).
HTTP(S) (Browser-based configuration and monitoring).
REST API configuration and monitoring.
(S)FTP Server (Access to files (Logs, etc.)).
SNMP (Supports v1, v2c, and v3 (no auth/auth/priv) with Enterprise MIB).
SMTP (Email).
Security Features:
Configurable Password Policy.
Authentication (LDAP, RADIUS, TACACS+).
Enable/Block protocols.
Access Control Lists.
HTTP Strict Transport Security (HSTS) support.
SSL/SSH.
TLS v1.2, v1.3.
SFTP/SCP (Securely transfers files to and from the time server over an SSH session).
SNMP v3 (Remotely configure and manage over an encrypted connection).
Alert notifications via SNMP traps and email.
Signed software updates.
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