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Data output
USB client port
USB host port
External oscillator
Ethernet network
interface
Simple Network Man-
agement Protocol
(SNMP)
74
Raw Data
•
•
Almanac
Ephemeris
•
Position data
•
Support:
Speed:
GR50 only:
Support:
Speed:
Output power:
Frequency:
Input impedance:
Input VSWR:
Signal level:
Frequency stability:
Wave shape:
Connector:
☞
On the GR30/GR50, remove the External oscillator port cover before
connecting the cable.
Internal Oscillator aligned to GPS time within 20 ns.
☞
All receivers
IEEE Standards:
Link Speed:
Protocol:
Connector:
SNMP is an Internet-standard protocol for managing devices on IP networks. It
can be used in network management systems to monitor receivers for condi-
tions that warrant administrative attention. It can also be used to monitor
other IP based network devices like routers, switches or modems, as many
modern network devices support the SNMP protocol. This means that by using
SNMP protocol all the devices of the network infrastructure (communication
devices and GNSS receivers) can be monitored if they support SNMP. This may
help in tracking down network issues, like malfunctioning routers, bandwidth
issues and other problems that may affect the availability and reliability of
GNSS network services.
GR/GM receivers support SNMP versions v1, v2p and v2c.
USB 2.0
Full speed, 12 Mbit/s (1,5 MB/s)
USB 2.0
High speed, 480 Mbit/s (60 MB/s)
500 mA (5 V) => Support devices up to 2.5 W
5 MHz or 10 MHz
50 W nominal
2:1 maximum
0 dBm minimum to +10.0 dBm maximum
±0.5 ppm maximum
Sinusoidal
MMCX female - 24QMA-50-2-3/133
802.3 10BASE-T Ethernet
802.3u 100BASE-TX Fast Ethernet
802.3 Auto-negotiation
10/100 MB, Half/Full Duplex
CSMA/CD
Ruggedised RJ45
Technical Data
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