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Symmetricom TimeProvider 1000 User Manual

Symmetricom TimeProvider 1000
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097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 193
Chapter 7 Specifications of the TimeProvider
Alarms
Alarms
Input Alarms
The PRS input is inhibited when a contact closure (less than 1 Ω) is present across
the PRS Alarm In connection.
Output Alarms
The output alarm connector is on the Input module, and can be either a DB25
connector or wire-wrap pins. See
Making Alarm Connections, on page 63, for a
pinout diagram of the DB-25 connector. Table 7-6 describes the contact closure for
the alarm outputs.
Power
Dual power supplies from –36 to –72 V DC. Table 7-7 lists the maximum and typical
power consumption using crystal and Rubidium IOCs.
Symmetricom recommends that you use a 5 A fuse for the power supply to the
TimeProvider shelf.
Table 7-6. Output Alarm Specifications
Alarm Description
Minor Contact closure (NC or NO) 1 Amp Form C
Major Contact closure (NC or NO) 1 Amp Form C
Critical Contact closure (NC or NO) 1 Amp Form C
Table 7-7. Typical Power Consumption
IOC Type
Max Power (W)
per IOC
Typical Power (W)
per IOC
Crystal 40 30
Rubidium 60 40
(70 with two Rb IOCs)

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Symmetricom TimeProvider 1000 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeProvider 1000
CategoryClock
LanguageEnglish

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