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Symmetricom TimeProvider 5000 User Manual

Symmetricom TimeProvider 5000
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098-00028-000 Revision F – May, 2012 TimeProvider 5000 Users Guide 433
Appendix B Specifications and Factory Defaults
Specifications
Antenna Power 5V, typical
Interface SMA connector, female
E1
Type G.703 Section 9 Framed E1
or G.703 Section 13 2048 kHz
Format CAS or CCS, CRC4 enable/disable
Impedance 75 ohms
Connector Mini-BNC coaxial, male
SMB male for 090-50315-01
1PPS+TOD
Timing Relationship
between 1PPS and
TOD
Transmission of a TOD message starts 1 ms after the
rising edge of 1PPS signal, and the transmission is
completed within 500 ms, as shown in
Figure B-1.
This TOD message indicates the time of the current 1
PPS rising edge, and is sent at a rate of once per
second.
Rise Time -1PPS Pulse 50 ns
Pulse Width 50 ms < Pulse width < 200 ms
TOD Frame TOD messages use whole 8-bit bytes for
transmission, with check sum protection. Message
type and message ID are used to clarify messages.
Follows Big Endian convention when a field is longer
than one byte, where bit 0 represents the least
significant bit (LSB), and bit 0 of each byte is
transmitted first. See
Figure B-2.
See
Table B-8 for TOD frame field descriptions.
TOD Transmission
Parameters
Baud Rate: 9600
Parity Check: None
Start Bit: 1 (low level)
Stop Bit: 1 (high level)
Idle Frame: High level
Data Bits: 8
TOD Message
Encoding
Binary
Table B-7. TimeProvider 5000 Main Shelf Input Signal Specifications (Continued)
Parameter Specification

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Symmetricom TimeProvider 5000 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeProvider 5000
CategoryServer
LanguageEnglish

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