DOC 4380A
4380A O & M Manual
iv
098-00723-000– Jul 2017 Revision 4.0 SyncSystem 4380A O&M Manual
2.9.3 Disable the GPS Tracking Alarms .............................................................. 29
2.10 User Configuration Files ................................................................................ 29
2.10.1 Factory / Default User Configuration Files ................................................ 29
2.10.2 Diff Command ............................................................................................ 30
2.10.3 FTP and Real-Time (rt) Configuration Files .............................................. 30
2.10.4 System Configuration Files (Syscfg) .......................................................... 32
2.11 Powering the System Off ................................................................................ 33
3. Operations ...................................................................................................................... 34
3.1 Front Panel ......................................................................................................... 34
3.1.1 Power Supply Indicators ................................................................................. 34
3.1.2 Alarm Indicator ............................................................................................... 34
3.1.3 SYNC Indicator .............................................................................................. 34
3.1.4 Outputs Indicator ............................................................................................ 35
3.1.5 Fans ................................................................................................................. 35
3.1.6 Status Pushbutton ........................................................................................... 36
3.2 Rear Panel .......................................................................................................... 36
3.3 Software ............................................................................................................. 37
3.3.1 Current Version .............................................................................................. 37
3.3.2 Software Updates ............................................................................................ 37
3.3.2.1 Flash Card Replacement ............................................................................. 37
3.3.2.2 Remote Software Update ............................................................................ 38
3.3.3 GPS Firmware Updates .................................................................................. 39
3.4 User Interfaces .................................................................................................... 39
3.4.1 Telnet .............................................................................................................. 39
3.4.1.1 Real Time Data Port (1135) ........................................................................ 40
3.4.1.2 Command Port (1700) ................................................................................. 40
3.4.1.3 Diagnostic Port (1800) ................................................................................ 42
3.4.1.4 Status Port (1900) ....................................................................................... 43
3.4.1.5 Average TIC Data Port (2100) .................................................................... 43
3.4.1.6 Raw TIC Data Port (2101) .......................................................................... 44
3.4.2 File Transfer Protocol (FTP) .......................................................................... 44
3.4.3 Network Time Protocol (NTP) ....................................................................... 45
3.4.4 Simple Network Management Protocol (SNMP) ........................................... 45
3.5 Status Command ................................................................................................ 45
3.6 GPS Data Logging ............................................................................................. 46
3.6.1 FTP Data Logging .......................................................................................... 46
3.6.2 Real Time Data Logging ................................................................................ 48
3.7 WAAS Satellites ................................................................................................ 49
3.8 System Verification ............................................................................................ 49
4 Theory of Operations ...................................................................................................... 58
4.1 Generation of Timing Signals ............................................................................ 58
4.2 GPS ..................................................................................................................... 58
4.3 Output Signals .................................................................................................... 58
4.4 GPS Data Collection .......................................................................................... 59
4.5 Startup Sequence ................................................................................................ 59
5 Maintenance ................................................................................................................... 61