Introduction and Specifications
Components of the Calibration System
1
1-15
Table 1-7. GPS Satellite Status Indicator LED
1
2
3
4
5
6
7
8
9
ENTER
CLEAR
TIME
MENU
STATUS
0
SYNC
NETWORK
ALARM
1
3
2
4
gtu003.emf
Item
Name
Light and Display Indications
Description
SYNC
GREEN
= Locked to satellites and time
synchronized.
AMBER
= Not locked to satellites. See "GPS
Receiver" in Chapter 8.
LED shows if the GPS Receiver is locked to
satellites.
Status Screen
GPS Receiver status
Display shows the status of the GPS
Receiver. See the GPS Receiver users
guide.
NETWORK
This LED is permanently RED because there is no
network connection to the GPS Receiver within this
system.
LED shows the status of network
connections to the GPS Receiver.
ALARM
GREEN
= Normal operation
AMBER
= Minor alarm(s)
RED
= Major alarms(s)
See "GPS Receiver" in Chapter 8.
GPS Receiver alarm/fault indicator
Note
The Microsemi SyncServer S650 GPS Receiver has an IP address set to
192.92.92.2. This allows temporary access to the GPS Receiver Web
Interface by connecting a Ethernet cable between the GPS Receiver rear
panel Port 1 to the Ethernet port on the System side panel used by the UUT
PMU. Access Username is
admin
and the Password is
Microsemi
. Do not
change the Username or Password from these default settings. For further
information on the GPS Receiver Web Interface, refer to the GPS Receiver
Operator manual. Any changes to the GPS Receiver configuration might
result in the instrument no longer working correctly in the System.
6135A/PMU System Timing Unit
The 6135A/PMU System Timing Unit (the Timing Unit) is the timing and modulation
control device in the Calibration System. This device is connected to the Server PC, the
6135A System, the GPS Receiver, and the UUT (see Figure 1-3).
When you run a test, the PMUCal Software sends test parameters to the Server PC. The
Server PC then transmits test parameters to the Timing Unit. The Timing Unit uses the
UTC time signal from the GPS Receiver to precisely control the 6135A System output
frequency, voltage, and current to the UUT.
The UUT is directly connected to the outputs on the Input/Output Panel as shown in
Table 1-8.
Содержание 6135A/PMU
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