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Symmetricom TimeHub 5500 Reference Guide

Symmetricom TimeHub 5500
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Keywords
Keyword Description
106 TimeHub 5500 TL1 Reference Guide 097-55501-02 Issue 7 – January, 2005
Command Example:
RTRV-EQPT::OUTA:SC505:::PARAMETER=EPROT;
Response Example:
SYMMBITS 04-06-18 11:55:55
M SC505 COMPLD
"OUTA::EPROT = DONT-CARE"
;
ESF (Extended Super Framing)
This keyword sets the framing for a specific input channel. The keyword format is:
ESF=<value>
FREEACT (Freerun Action)
This keyword allows you to turn shelf outputs on or off in FREERUN mode. The
Clock cards have a front panel LED that indicates freerun mode. Freerun occurs just
after the Clock card completes warm-up (also indicated with an LED) but before it
qualifies an input timing reference. If a valid timing reference is connected, the
freerun condition is brief (usually less than one minute). If no valid timing reference
is connected, the Clock card remains in freerun indefinitely. During freerun, the
Clock card uses its internal oscillator as the timing source for output generation. The
keyword format is:
FREEACT=<value>
Parameter Value Description
<value> DONT-CARE No requirement
REQUIRED Two Output Driver cards must be in the
specified slot pair
Parameter Value Description
<value> Y ESF framing
N D4 framing

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Symmetricom TimeHub 5500 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeHub 5500
CategoryData Loggers
LanguageEnglish

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