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TimeHub 5500 TL1 Reference Manual

183

Keywords

097-55501-02 Issue 5: June 2003

SSSSSSSSSSS SSSS S SSSSS SSSSSSS S SSS S SSSSS S

SYNCMDE (Sync Mode)

Note:

The behavior associated with this keyword has changed as of clock card

firmware version 4236B or later. Firmware version can be observed in RTRV-

NETYPE-ALL response. Two descriptions are provided: one for firmware versions

prior to 4236B, and one for firmware version 4236B and later.

Clock Card Firmware prior to 4236B

This keyword controls how the input channel is chosen as a synchronization

source. The keyword format is:

SYNCMDE=<value>

Command Example:

RTRV-EQPT::CLK:SC1687:::PARAMETER=SYNCMDE;

Response Example:

SYMMBITS 00-06-18 12:06:01

M SC1687 COMPLD

"CLK::SYNCMDE = MANUAL"

;

Parameter Value Description

<value> AUTO The input channel is chosen based on the given priorities among

the available channels. Channel availability is determined by

measurements on the channel and by the channel enabled.

MANUAL The input channel is chosen based on manual selection, unless the

given input is disqualified, in which case, it goes into automatic

mode.

SSM The input channel is chosen based on the SSM algorithm, which

combines the measurements and qualifying conditions with the

quality levels for each channel; the highest priority amongst the

qualified input channels is chosen.

FORCED The input channel is chosen based on manual selection, unless the

given input is disqualified, in which case, it goes into holdover.

Symmetricom TimeHub 5500 Reference Manual

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