Sokkia GSR2700 ISX, Operation Manual

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Technical Specifications
Appendix A
GSR2700 ISX Operations Manual 63
Operating Time at 20°C • Rover: 10 hours with internal batteries and
internal UHF radio
• Static/DGPS: 16 hours with internal batteries and
without internal radio or Bluetooth
Charge Time max. 5 hours
Charging Voltage 14 VDC to 18 VDC, 65 W
Peripheral Power Output (COM1 and COM2)
Voltage ≅ supplied voltage
Current 1 A (max)
Power Management
Once the internal batteries are completely discharged, the GSR2700 ISX
becomes inactive. Normal operations resume when you charge the internal
batteries or when you connect an external power source to the system. For
more details, see Section 6.2.2,
External power source , page 49.
Radio Link
UHF • 380 to 470 MHz
• Transmit and Receive (Tx/Rx)
• 12.5 kHz channel spacing
• Power consumption (typical): 1 W
• RF impedance: 50 ohms
• RF connector type: TNC female
GSM/GPRS • Frequencies: 850/1800 MHz or 900/1900 MHz
band
• Antenna connector type: TNC female
Memory
Memory Internal: 64 MB standard (can be upgraded to 2 GB)
Memory Life 500 hours at 10-second interval (6 satellites)
Input/Output Data Interface
Communication Ports 2 x RS232, 1 x USB, 2 x Bluetooth, 1 x internal radio
Standard Input/Output RTCM, RTCM V3.0, RTCA, CMR, CMR+, NTRIP,
NMEA-0183 out, PPS out, Mark in
Data Rate 20 Hz
Table 28: GSR2700 ISX Technical Specifications (continued)