Справочник Пользователя для Symmetricom 1100
097-58001-02 Revision G – April 2008
TimeProvider User’s Guide 201
Chapter 7 Specifications of the TimeProvider
Roof Antenna
Roof Antenna
The specifications for the antenna for GPS operation are described in
Mechanical
TimeProvider 1000 Front-Access Shelf
Size: 431.8 mm wide x 175 mm high x 254 mm deep (17 in wide x 6.875 in high x
10 in deep)
10 in deep)
Weight: 9.0 pounds (4.1 kg) with two IOC modules and four Output modules
TimeProvider 1100 Rear-Access Shelf
Size: 431.8 mm wide x 133 mm high x 254 mm deep (17 in wide x 5.25 in high x
10 in deep)
10 in deep)
Weight: 9.0 pounds (4.1 kg) with two IOC modules and four Output modules
Table 7-8. Antenna Specifications
Parameter
Specification
Type
Active, with proprietary 2-way time transfer technology
Cable length
Minimum 28 ft (8 m) from antenna to shelf
Maximum 1000 ft (305 m) from antenna to shelf
Maximum 1000 ft (305 m) from antenna to shelf
Dimensions
Height: 6.5 in (16.5 cm)
Diameter: 5.9 in (15 cm)
Diameter: 5.9 in (15 cm)
Weight
1.7 lb (0.77 kg)
Operating Temperature
–35 to 75
°
C
Storage Temperature
–40 to 80
°
C
Operating Humidity
0 to 100% relative humidity