Microsemi SyncSystem 4380A - Page 7

DOC 4380A
4380A O & M Manual
v
098-00723-000– Jul 2017 Revision 4.0 SyncSystem 4380A O&M Manual
5.1 Fan Filter ............................................................................................................ 61
5.2 Antenna and Antenna Cable Inspection ............................................................. 61
6 Troubleshooting .............................................................................................................. 62
6.1 Front Panel Indications ....................................................................................... 62
6.2 Alarm Light ........................................................................................................ 62
6.3 Power Supplies ................................................................................................... 62
6.4 Outputs Indicator ................................................................................................ 63
6.5 GPS Performance ............................................................................................... 65
6.5.1 Poor GPS Receiver Performance .................................................................... 65
6.5.2 GPS Not Tracking .......................................................................................... 66
6.6 Internal Clocks ................................................................................................... 67
6.7 External Reference ............................................................................................. 68
6.8 PTD Value is Noisy ............................................................................................ 70
6.9 Over Temperature and Fans ............................................................................... 70
6.10 PPS Outputs .................................................................................................... 71
6.11 IRIG Outputs .................................................................................................. 72
6.12 NASA36 Outputs ............................................................................................ 72
6.13 TIC Measurements ......................................................................................... 73
6.14 Software Update Failure ................................................................................. 73
6.15 Configuration Not Readable ........................................................................... 73
6.16 Communication Problems .............................................................................. 74
6.16.1 LAN ................................................................................................................ 74
6.16.2 USB-to-Serial Adapter (94000-115200) (Command Port) ............................ 74
6.16.3 External Reference Adapter (94001-5071A) .................................................. 74
6.17 Syslog Command ............................................................................................ 74
6.18 System Configuration Issues (syscfg) ............................................................ 75
Appendix A System Specifications ................................................................................................ 76
A.1 Environmental .................................................................................................... 76
A.2 Physical .............................................................................................................. 76
A.3 10 MHz Sinewave Input ..................................................................................... 76
A.4 Timing Performance ........................................................................................... 76
A.5 Ethernet Interface ............................................................................................... 76
A.6 USB Command Port Cable (94000-115200) ..................................................... 77
A.7 USB External Reference Port Cable (94001-5071A) ........................................ 77
A.8 GPS Receiver ..................................................................................................... 77
A.9 PPS / DC IRIG Module (4394A) ....................................................................... 77
A.10 PPS ECL (4394A-ECL) .................................................................................. 77
A.11 RS-422 PPS Module (4376A) ........................................................................ 78
A.12 10 MHz Module (4395B-10) .......................................................................... 78
A.13 5 MHz Module (4395B-5) .............................................................................. 78
A.13 1 MHz Module (4395B-1) .............................................................................. 79
A.14 Amplitude Modulated (AM) IRIG Module (4387A, 4387A-6V, 4387A-1V) 79
A.15 1.544 T1 Module (4394A) .............................................................................. 79
A.16 2.048MHz Module (4396A) ........................................................................... 80
A.17 2.048MHz Module (4397A) ........................................................................... 80
A.18 Time Interval Counter (4393A) ...................................................................... 80