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> Sync Products > GPS > OSA 5230 GLONASS+GPS Clock
OSA 5230 GLONASS+GPS Clock
> OSA 5230 GLONASS+GPS Clock

A high quality GLONASS & GPS-based Synchronization Clock solution

HIGHLIGHTS

  • Combined GLONASS + GPS Reception
  • High frequency stability and long term accuracy
  • Various Auxiliary input types (MHz, E1, PPS)
  • 8 configurable BNC outputs
  • UTC-derived 1PPS
  • ITU-T G.812 (I, V, VI) compliant holdover
  • Remotely (TCP/IP) and Locally (RS-232) Manageable
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GENERAL INFO

The OSA 5230 offers combined GLONASS and GPS signal reception to supply highly reliable synchronization clock from the two world’s largest Global Navigation Satellite System (GNSS); the renowned Global Positioning System (GPS) and the promising Russian Federation’s GLObal'naya NAvigatsionnaya Sputnikovaya Sistema or GLObal NAvigation Satellite System (GLONASS).

The OSA 5230 GLONASS+GPS is a solution designed for the synchronization of several applications such as 2G, 2.5G, 3G and 4G mobile telecommunications networks, SDH/SONET transport networks, ATM, LAN/WAN, DAB/DVB, utilities as well as synchronization source for UMTS, WCDMA,

Technical Information

The OSA 5230 supplies synchronization on 8 outputs individually configurable, as below:

  • 2.048 Mbit/s (E1) compliant with ITU-T G.703-9
  • 2.048 MHz compliant with ITU-T G.703-13
  • 1 PPS, phase-locked to UTC
  • 10 MHz, phase-locked to UTC

When locked, the OSA 5230 regenerates the reference and attenuates jitter and wander. When no valid GPS and/or GLONASS reference input is available, the OSA 5230 enters in hold-over mode and holds its output frequencies to supply long hours of frequency and phase accuracies.

The OSA 5230 is also fully locally (RS-232) and remotely (TCP/IP) manageable thanks to its user-friendly Configuration Manager software. Furthermore, the OSA 5230 is very reliable and totally maintenance-free.

Typical Applications

  • Mobile telecommunication networks
  • SDH/SONET transport networks
  • Base stations
  • ATM, LAN/MAN/WAN and Utilities
  • DAB and DVB broadcasting systems
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TECHNICAL SPECIFICATIONS

Inputs

  • Antenna, BNC 50 ohms:
    • GPS L1: 1575.42 MHz
    • GLONASS L1: 1602.0 MHz for Fk=0
  • Auxiliary, BNC 50 ohms:
    • 5, 10 or 2.048MHz
    • 1 PPS
    • 2.048 Mbps /E1

Output signals

  • 8 standard outputs selectable among the following types:
    • 1 PPS, 200 ms width, rise time < 20 ns, AC-MOS, 50 ohms
    • 10 MHz, 1 Vrms sine, 50 ohms
    • 2.048 MHz compliant to G.703-13, 75 ohms unbalanced
    • 2.048 Mbps (E1) compliant to G.703-9, 75 ohms unbalanced

Holdover performances

  • OCXO:
    • Long term stability: 1x10-10 / day typical
    • Frequency stability: 6x10-10 pp (-5 °C to +55 °C)

Environmental characteristics

  • Operational: -5°C to +55°C
  • Storage: -40°C to +85°C
  • Humidity: 95% non-condensing

Power supply

  • 20-60 VDC
  • Consumption:
    • < 20W during warm-up
    • < 15W steady s tate at 25°C

Antenna Cables (connectors included)

  • 10 meters (LMR-400)
  • 20 meters (LMR-400)
  • 60 meters (LMR-400)
  • 120 meters (2 x 60 meters LMR-400, active line amplifier)
  • up to 300 meters: CellFlex cable

Management

  • RS-232C local management on frontal on DB9
  • Optional Ethernet 100 Base-T on rear RJ-45 connec tor
  • Alarm dry relay contacts
  • GUI-based Configuration and Monitoring software
  • Software upgradeable

Mechanical

  • Size (HxWxD):
    • 89 x 483 x 280mm (1.75”x19’’x9.7’’)
    • 2U / 19’’
  • Weight: < 5.5kg
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Oscilloquartz SA
Brévards 16
2002 Neuchâtel
Switzerland

phone :
+4132 722 5555

fax :
+4132 722 5556


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