NTP8 Network Time Server
The NTP8 Network Time Server provides a high performance means of accurate time distribution over a local area network (LAN) using Network Time Protocol (NTP). NTP is the industry-standard means of time distribution over discrete networks and it is also extensively used on the Internet.
Features
- Highly economic Stratum 1 Network Time Server
- Range of synchronisation options
- Precision timing circuits ensure stability in event of synchronisation signal interruption.
- Client system accuracy better than 1 millisecond.
- Configuration and alarm reporting capabilities using Simple Network Management Protocol (SNMP)
Synchronisation Options
- Satellite (GPS)
- Low Frequency: MSF (UK), DCF77 (Europe) or WWVB (USA)
- Analogue timecode, e.g. IRIG-B
A trusted time source is critical in many organisations such as airports, railways, financial institutions, telecommunications companies, etc. but can also figure highly on the scale of importance in other industries.
Having no trusted time source is a weak point in business security, making it more difficult to be protected against fraud, hacking, internal and external disputes, and has a direct effect on efficiency and therefore profitability.
Time information is available from the internet, but this means allowing data to travel through your firewall, increasing the potential risk of hackers or viruses obtaining access into your network. Also, there are few or no guarantees that the information being provided is accurate or reliable.
System Benefits:
- Accurate & reliable time data from a trusted source
- Control over configuration
- Synchronicity between users - eradicates discrepancies
- System time stamping (e.g. for e-commerce transactions, e-mail sent & receive, etc) is accurate
- Automatic systems procedures, such as backups, occur at the correct time and in the correct order.
- Automatic updating so no need for manual intervention at all.
Specifications
Module Connections
The unit provides a standard RJ45 connection to a 10BASE-T network. A 9 way D type socket is also available for RS232 connection for configuration and status purposes (38.4kbaud, no parity, 8 bit characters and 1 stop bit). The synchronisation source input is connected via a 50W BNC socket
Interface Standards
NTP Version 3 [RFC 1305] - also SNTP compatible
SNMP v1 Enterprise MIB (RFC1155, RFC1157, RFC1213)
Daytime Protocol (RFC867), Time Protocol (RFC 868)
Ethernet/IEEE802.3
UDP/IP
ICMP
Network Configuration
Configuration of the network parameters including IP Address, Sub-net Mask, Gateway Address, SNMP Trap Address, and SNMP Read/Write community names is performed by means of the menu driven user port. All such details are stored in non-volatile memory. User specific network parameters can be factory configured upon request. The same user port is available for the upgrade of the flash code for newer versions or additional options.
Optional extras:
Telnet configuration/status display option. The AUI connection is via a 15-way D type socket. A suitable MAU can be supplied upon request.
Physical
Size: 19" rack mount 1U high 200mm deep
Weight: 5kg typical
Power: 85-264V AC 47-63Hz
Environment (Operation & Storage)
Temperature: 0°C to +40°C
Humidity: up to 95% RH (non-condensing)
EMC: CE compliant
GPS Receiver Option
Time Accuracy (signal available): ±2 microseconds from UTC
Antenna: A GPS Active Antenna is supplied as standard
LF Receiver Option
Receiver types available: MSF(UK), DCF77(Europe),WWVB(USA)
Time Accuracy (signal available): ±1 millisecond from received time
Antenna: An LF Active Antenna is supplied as standard
Timecode Receiver Option
Timecode formats accepted: IRIG-B, IRIG-E, XR3, 2137, NASA36, AFNOR
Time Accuracy: ±1 millisecond from received time
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