DOC 4380A
4380A O & M Manual
17
098-00723-000
– Jul 2017 Revision 4.0
SyncSystem 4380A O&M Manual
NOTICE
The user configuration for the specific output formats are stored on the system itself. Replacement
modules will automatically be configured with the correct output format as long as the replacement card is
installed in the same slot. Moving the output module to a different slot causes the system to configure the
module with the default output format(s) until that card slot is properly configured by the user.
La configuration d'utilisateur pour les formats spécifiques de rendement sont stockées sur le système lui-
même. Des modules de rechange seront automatiquement configurés avec le format correct de rendement
tant que la carte de rechange est installée dans la même fente. Déplacer le module de rendement à une fente
différente fait configurer le système le module avec les formats de rendement de défaut jusqu'à ce que ce
logement pour carte soit correctement configuré par l'utilisateur.
2.5.5 4376A RS-422 PPS
The factory default for this module provides four 1PPS outputs. Users can change the PPS signal
parameters, on individual signal outputs.
Valid PPS settings are 1, 10, 100, 1K, 10K, 100K, and 1M PPS. To set the PPS signal parameters use the
pps
command:
4380A> pps [slot#] [port#] [pulse period] [pulse width]
The following example sets the PPS on Slot 1, Port 2 to 1MPPS and the pulse width to 500 ns (1/2 the duty
cycle).
4380A>pps 1 2 1e-6 5e-7
[OK] 2015-08-05T15:52:31Z
The following rules apply:
1.
PERIOD - period of pulse in seconds(max of 1, min of 1e-6)
2.
WIDTH - pulse width in seconds (minimum of 5e-7)
3.
For PPS Rates where the duty cycle is 10 µs or greater the
pulse_width
must be a multiple of
10 µs, at least 10 µs wide, and at most half the duty cycle of the
pulse_period
.
4.
For PPS rates where half the duty cycle is less than 10 µs, the
pulse_width
must be exactly
one-half the
pulse_period
. (See example above.)
The system will generate an error message if the values are not correct or entered improperly.
Usage: <slot#> <port#> <pulse period> <pulse width>
[ERROR] 2015-08-05T15:53:07Z
To verify the settings use the
settings hardware:slots:N
command (where N=Slot #) to obtain the current
settings for a particular card.
4380A>settings hardware:slots:5
[tsc4376]
[ports]
[1]
[pps_period] 1.00000000000
[pps_width] 1.000000000000000e-04
[type] pps
[2]
[pps_period] 1.00000000000
[pps_width] 1.000000000000000e-04
[type] pps
[3]
[format] B
Содержание SyncSystem 4380A
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