
DOC 6501_Release V
ATS-6501 Users Guide
iii
2.7.1
Reference Type ........................................................................................... 39
2.7.2
hp5071A Communications ......................................................................... 40
2.7.3
Unmonitored Clocks ................................................................................... 40
2.7.4
Selecting the External Reference ................................................................ 40
2.8
Using the Time Scale Reference ........................................................................ 41
2.9
Setting the System Time Manually .................................................................... 45
2.9.1
Force Time .................................................................................................. 45
2.9.2
Deterministic Phase Lock Loop (DPLL) .................................................... 45
2.9.3
External Reference ...................................................................................... 48
2.9.4
Disable the GPS Tracking Alarms .............................................................. 48
2.10
User Configuration Files ................................................................................ 48
2.10.1
Factory / Default User Configuration Files ................................................ 48
2.10.2
Diff Command ............................................................................................ 50
2.10.3
FTP and Real-Time (rt) Configuration Files .............................................. 50
2.10.4
System Configuration Files (Syscfg) .......................................................... 52
2.10.5
Node Configuration File (node.cfg) ............................................................ 53
3
Operations ...................................................................................................................... 55
3.1
Front Panel ......................................................................................................... 55
3.1.1 Power Supply Indicators .................................................................................. 55
3.1.2
Alarm Indicator ........................................................................................... 55
3.1.3
Oscillator Locked (Osc Lock) Indicator ..................................................... 56
3.1.4
GPS Tracking Indicator .............................................................................. 56
3.1.4
NTP Locked Indicator ................................................................................. 57
3.1.5.
Outputs Enabled Indicator .......................................................................... 57
3.1.6.
KEY ACTIVE Indicator (SAASM) ............................................................ 57
3.1.7.
ZEROIZE Button (SAASM) ....................................................................... 58
3.1.8.
CRYPTO KEY Programming Connector (SAASM) ................................. 58
3.1.9.
Fans ............................................................................................................. 58
3.1.10.
Flash Card ............................................................................................... 58
3.1.11.
Display Button ......................................................................................... 58
3.2
Rear Panel .......................................................................................................... 59
3.3
Software ............................................................................................................. 60
3.3.1
Current Version ........................................................................................... 60
3.3.2
Software Updates ........................................................................................ 60
3.3.2.1
Flash Card Replacement .......................................................................... 61
3.3.2.2
Remote Software Update ........................................................................ 61
3.3.3
GPS Firmware Updates ............................................................................... 63
3.3.4
Declassifying the System ............................................................................ 63
3.4
User Interfaces .................................................................................................... 63
3.4.1
Operating System ........................................................................................ 63
3.4.2
Telnet .......................................................................................................... 63
3.4.3.1
Real Time Data Port (1135) .................................................................... 64
3.4.3.2
Command Port (1700) ............................................................................. 64
3.4.3.3 Diagnostic Port (1800) ................................................................................. 67
3.4.3.4
Status Port (1900) .................................................................................... 68
3.4.3.5
Average TIC Data Port (2100) ................................................................ 68