master clock with the secure approach of data networks:
• High-precision internal clock regulated by its TCXO quartz.
• Priority order for the different synchronisation references (input).
• Modular design allowing a wide variety of input/output signals (up to 4 expansion cards).
• Network security management: Enable/disable encryption, authentication, and access protocols.
• Alarm information available as SNMP traps and email.
Models :
• Accuracy (average after 24 hours with GPS signal) : 1x10-9
• Stability (average after 2 weeks with GPS signal) : 1x10-7/day
• Input : 1x GPS
• Outputs : 1x Ethernet, 4 slots for expansion cards
• Holdover (after 2-week GPS synchronisation at constant temperaturer) : 5 ms (after 24 hours)
• Alarm : SNMP traps, email and relay contact
Mechanical characteristics :
• Construction : Metal case - 1U rack- 19"
• Operating temperature : from 0° to +50°C
• Humadity rating : 0 - 90% without condensation
• Protection rating : IP41
• Weight : 2.5Kg
• Dimensions : 447 x 264 x 44.2mm
Electrical characteristics :
• Power supply (without ventilation) : 18 - 36VDC (5.5A) or 85 - 264VAC; 1.9 - 0.75A
• MTBF : 100.000 hours
Communications :
• Network port : RJ45, 10/100/1000 BASE-T
• Configuration serial interface : RS232, DB 9 connector
• Front Panel : USB socket (Enable/Disable) for saving and updating software keyboard (lockable) and LCD screen for network configuration
Protocols :
• NTP V2, V3, V4 : Conforms RFC 1305 and 5905
• Support Unicast, Broadcast, Multicast, Anycast, MDS encryption , pering and Autokey
• NTP request persecond : > 2000
• SNTP V3, V4 : Conforms wirh RFC 1769, 2030, 4330 and 5905
• Time protocol : Conforms with RCF 868
• Daytime protocol : Conforms with RFC 867
• HTTP/HTTPS : Conforms with RFC 2616
• SSH : SSH v1.3, SSH v1.5, SSH v2 (openSSH)
Management :
• IP : IPv4, IPv6 (Dual Stack)
Services :
• DHCP : DHCPv4, DHCPv6, Autoconf & Slaac
• SMTP : Mail forwarding
Supervision :
• SNMP : v1 (RFC 1157), v2c (RFC 1901-1908) and v3 (RFC 3411-3418)
• Relay contact / external input : Sending and reception of alarms
Security features :
• Enable/disable protocols
• Protection by single authentication (login + password)
• DES and AES encryption
• SHA-1, MD5 authentication
• SSL encryption
• SCP: secured copy of Netsilon files in SSH session
• SFTP: secured transfer of Netsilon files in SSH session