Siemens SINAUT ST7 System Manual page 55

DCF77 antennas
Protection level at 6 kV 1.5/50 µs wave at input
Insertion loss for DCF77 signal
Input / output
Input / output impedance
Degree of protection
Temperature range
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Humidity
Technical specifications of the GPS receiver
GPS receiver
Interfaces:
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•
•
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Connector for power supply
Power supply
Power consumption
Construction
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•
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Installation
Quartz accuracy
Emergency clock accuracy
Maintenance-free emergency clock backup
Type of receiver
Evaluation
Sensitivity
Synchronization time
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Temperature range
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Station control system
System Manual, 07/2009, C79000-G8976-C178-07
Operation
Storage
RS-232/RS-422
Pulse outputs
GPS input
DCF77 simulation output
Housing material
Dimensions (W x H x D) in mm
Weight
Cold restart (initial installation without
position information)
Warm start (power down < 3 days)
for specified data
with poorer free-run (accuracy) characteristics
Introduction to the SINAUT ST7 system
1.7 Radio clock components
< 12 V
Max. 3 dB
BNC female / BNC female
50 ohms
IP40
-20 °C through +80 °C
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-40 °C through +85 °C
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95% no condensation
9-pin D-sub male connector
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Screw terminals
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BNC socket
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BNC socket
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Screw terminals
18 to 60 V DC
6 VA
Aluminum
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65 x 105 x 130
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Approx. 700 g
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On 35 mm standard rail
± 0.1 ppm after GPS control/synchronization and
at constant temperature
± 25 ppm at 25 °C
3 days
8-channel phase tracking receiver
L1 frequency 1575.42 MHz, C/A code
-143 dB
30 min to 4 h
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Approx. 1 min.
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0 to 50 °C
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0 to 70 °C
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