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12713140-003-2 Revision E.01 – January 2007
SSU-2000e Technical Reference 247
Chapter 5 Antennas
Antenna Kits and Accessories
Transient Eliminators
Symmetricom offers the FCC-250B-90-1.5NFNF Transient Eliminator for installations
that require antenna coaxial lead-in protection. The FCC-250B- 90-1.5NFNF
Transient Eliminator passes DC power and frequencies in the 1.5 GHz range with
non-downconverter L1 GPS antennas. In most installations, the transient eliminator
mounts near the point at which the antenna lead enters the facility.
provides the transient eliminator specifications.
400302-0500
Roll, 3M 2150 Weatherproof Tape
12813080-000-0
Crimper Kit, LMR-400 (crimp tool, 2150 tape, LMR preptool,
10 each crimp N-type connectors)
Table 5-5. 48 dB and 68 dB L1 GPS Antenna Accessory Kit
Part Number
Description
12013076-xxx-0
(xxx = length)
Cable, LMR-400, 220 ft. to maximum of 970 ft.
(Customer-specified length)
112-43400-00-3
Transient Eliminator, 90 Volts, 1.5 GHz, N-Type
12013076-010-0
Cable, LMR-400, 30 ft., Right Angle
551100-6013
Adapter, Right Angle Female to Right Angle Male
12010210-000-0
Bracket Assembly, Antenna Mount Right Angle
570704-0002
(68 dB Output Only)
GPS L1 inline amplifier
(required for lengths > 650 ft.)
400302-0500
Roll, 3M 2150 Weatherproof Tape
12813080-000-0
Crimper Kit, LMR-400 (crimp tool, 2150 tape, LMR preptool,
10 each crimp N-type connectors)
Table 5-6. FCC-250B-90-1.5NFNF Specifications
Characteristic
Specification
Type Gas
Response Time
< 2 nanoseconds
Impedance
50
Ω
Insertion Loss
< 0.25dB @ 1,575 MHz
Table 5-4. 40 dB L1 GPS Antenna Accessory Kit (Continued)
Part Number
Description
Содержание SDU-2000e
Страница 10: ...Table of Contents 10 SSU 2000e Technical Reference 12713140 003 2 Revision E 01 January 2007 ...
Страница 242: ...Chapter 4 NTP and SNMP SNMP Protocol 242 SSU 2000e Technical Reference 12713140 003 2 Revision E 01 January 2007 ...
Страница 354: ...Index Z Z 354 SSU 2000e Technical Reference 12713140 003 2 Revision E 01 January 2007 ...