Issue 2: Sep 99 TMSL 097-44018-26
Page 71
COMMAND CODE: OPR-SYNCNSW
PURPOSE
OPERATE SYNCHRONIZATION SWITCH
This command forces the timing output cards to use the specified internal synchronization source (soft-
ware control). The selected source stays in effect until released by the RLS-SYNCNSW command. If the
selected source fails, a phase hit will occur on the outputs. Subsequent source selection is determined by
the setting of the SET-ATTR-CONT command. This command will be denied if the source being selected
is not valid.
This command applies to all timing output cards in all shelves in the system. If the selected source fails
while this command is active (not canceled by the RLS-SYNCNSW command), all timing output cards
will use the next available reference source in this order if revertive mode is set: CLK1, CLK2, IN1, IN2.
If the selected source then becomes active (after failing) while this command is active (not canceled by
the RLS-SYNCNSW command), all timing output cards will switch to the selected source.
INPUT FORMAT
OPR-SYNCNSW:[<tid>]:TO-ALL:<ctag>::<switchto>;
EXAMPLE
Input:
OPR-SYNCNSW::TO-ALL:134::CLK2;
Response:
SANJOSE-114 1997-12-08 15:04:13
M 134 COMPLD
;
This example, tagged as command 134, causes the timing output cards to use the clock 2 card as a source.
switchto meaning
CLK1 clock card 1
CLK2 clock card 2
IN1 system input card 1
IN2 system input card 2
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