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EX1200 Series Maintenance 127
FIGURE 7-15: EX1200 NETWORK CONFIGURATION
NOTE If problems are experienced connecting to the EX1200, please refer to the Network
Troubleshooting process in Section 2.
TIME CONFIGURATION
This entry page is used to change the time configuration of the EX1200. As the EX1200 has no
notion of “wall clock” or calendar time and no battery-backed clock or any other mechanism to
retain time between reboots and power-cycles, the time must be set by the user. By default, the
instrument’s time and date at power-up are midnight, January 1, 1999 (as defined by the
microcontroller). Three time source options are provided: PTP (Precision Time Protocol or
IEEE 1588 synchronization), SNTP (simple network time protocol), or manual. The default time
source is PTP.
Time Zone: allows the user to select an appropriate time zone.
Time Source: allows the user to set the EX1200s date by entering the month (MM), day
(DD), and year (YYYY), respectively.
Set Time: for the PTP and Manual Time Source, allows the user to set the EX1200s time by
entering the hour (HH), minute (MM), and second (SS), respectively. If the EX1200 is set as
an IEEE 1588 Master, the hour should be entered using the 24-hour format.
NTP Servers: for the SNTP Time Source, allows the use to add/remove/save NTP servers to
which the EX1200 will synchronize its time.
Time Status: this section of the web page provides the mainframe’s current time
configuration settings.
Using PTP Time
To configure the EX1200 to use PTP time as the clock source:
1) Set Time Source to PTP. The page will change so that it can be configured.
2) Click Submit to start using PTP time.
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