Plura RUBIDIUM Series, Manual

Page: 48 / 54

Page 48 Functional Description and Specifications RUB SW
System
Select the operating mode and some parameters (default values in bold characters):
Item Selection Description
Changeover Automatic
Manual
Automatic or manual changeover operating mode.
→
C hapter ‘ Word Clock Changeover ’ .
Limit Signal
to Signal
Drift
[ms]
1 – 100
( 2 )
SW monitors the drift between word clock signals. Signal 1 at
CLOCK IN 1 will be compared to signal 1 at CLOCK IN 2 ,
signal 2 at CLOCK IN 1 with signal 2 at CLOCK IN 2 , etc. for
all signal pairs.
A “ word clock signal to signal drift “ error will be indicated if the
drift equals or exceeds this limit.
Allowed range: 1
– 100 ms.
→
C hapter ‘ Word Clock Monitoring ’
→
‘ Signal to Signal Drift ’ .
Limit Signal
to PPS Drift
[ms]
1 – 100
( 2 )
SW monitors the drift of each word clock signal compared to
the PPS of the real-time reference.
A “ signal to pps drift “ error will be indicated if th e drift equals
or exceeds this limit.
Allowed range: 1
– 100 ms.
→
C hapter ‘ Word Clock Monitoring ’
→
‘ Signal to PPS Drift ’ .
Reference
Format
Meinberg Std ...
NMEA $GPRMC...
Meinberg Uni ...
Wharton Status ...
SW expects a PPS and a serial data string from a real-time
reference. The format and protocol of the serial data string
should be selected in accordance with the connected device:
“ Meinberg Std 2400/7e2 + PPS “ [GPS 10 MHz, GLS 10 MHz]
“ NMEA $GPRMC 4800/8n1 + PPS “ [GPS35, GPS16, GPS17]
If “ Meinberg Std 2400/7e2 + PPS “ has been selected, SW
automatically accepts the “ Meinberg GPS ” protocol as well.
→
Chapt er ‘ Real-Time Reference Monitoring ’ .
Error Reset
Click this button to reset all error counters and status of the module – identical to pressing the
FAIL key programmed with the “Reset All“ function.