Rack Type GPS NTP Server

Rack GPS NTP Server Specification

meta information - item description rack type time server solution, specification information
meta information - date time published 2009/09/01 17:46UTC
Specification of Rack based GPS NTP Server

Technical Specification for Rack GPS NTP Server

Ethernet info
  • 10 Base T, RJ 45 connector
  • 10 MBit
  • RX polarity: automatic
  • ICMP: implemented
  • Gateway: implemented, user configurable
  • DHCP: not allowed
  • MAC address: configurable
  • Ethernet mask: configurale
  • WEB interface
    • Built in WEB server for dynamic CGI WEB pages
    • monitoring server status
    • setup time server
    • 4MBit dataflash
GPS info
  • External receiver with active antenna
  • Powered from server
  • Output protocol: ZODIAC Connexant
  • Baudrate: 9600Bps
  • PPS pulse: 1sec
  • Power: 9..12V DC
  • Current consumption: 300mA
  • GPS processor
    • Microchip RISC processor
    • Frequency: 20 Mhz
    • for GPS mesagges, PPS pulses, LCD, buttons serving
  • Cable
    • max cable length: 200m
    • - 1 twisted pair for zodiac data
    • - 1 twisted pair for PPS pulse
    • - 2 wire for power
NTP Protocol NTP Protocol
  • Built in NTP version 3.00
  • security: NO
  • Time stamp resolution: 13usec
Time Accuracy Time Accuracy
  • UTC maximum error: 300 nsec (due to NTP time stamp resolution 13usec)
  • device completed accuracy = 13usec
SNMP Protocol SNMP Protocol
  • Built in only SNMP traps
  • server produce and send SNMP traps to dedicated device,
  • Messages Sent
    • on every changes the number of satellites
    • UTC fix changes
    • GPS receiver failures
Main processor processor
  • RISC UBICOM IP2022
  • 120 MHz / for Ethernet connectivity 10BaseT
Real Time Clock Real Time Clock
  • PHILIPS I2C
  • powered from lithium CELL CR2430, User Replaceable
  • Max Error: 10 ppm
Reliability Reliability
  • Two processors watchdog-ing state every 1sec
  • BOR - Brown Out Reset
  • POR - power on reset
  • two internal independent watchdog timers
Security Security
  • User password to setup IP address
  • SNMP strings, community name
Temperature ranges Temperature Ranges
  • -25 .. 55°C
Power info
  • 100 .. 250 V AC / 50Hz
Display info
  • LCD 2x 16 chars
  • Green BackLight
Buttons Buttons
  • Four buttons on front panel
  • Button Types: SET, ESC, UP, DN
  • for setup IP addresses
Server Case Server Case
  • 19" rack / 1U
  • Depth: 110mm