66
Serial Communication and Command Set
Broadcast Mode – EVENT DATA
Command:
B3, 03
B3 configures the clock to broadcast from the main RS-232C port any event data at the time it is
recorded. O3 configures the clock to broadcast from the option RS-232C port any event data at
the time it is recorded.
Response: (Local)
mm/dd/yyyy hh:mm:ss.sssssss nnnAL
C
(UTC)
mm/dd/yyyy hh:mm:ss.sssssss nnnAU
C
Where:
nnn = Event-Buffer Read Index Number
U = UTC Time
L = Local Time
Broadcast Mode – STATUS
Command:
B4, O4
B4 configures the clock to broadcast any status data from the main RS-232C port when it changes.
O4 configures the clock to broadcast any status data from the option RS-232C port when it changes.
NOTE: When a valid fault is detected, the specific status fault is broadcast once (with Julian day,
and time) to the chosen serial port. When the fault clears, another message is sent describing the
cleared fault.
Response: ddd:hh:mm:ss I=nn:nn X=nn:nn
C
(Updates whenever the status changes.)
Where:
I, Internal clock conditions
X, External clock conditions
nn:nn, Status byte(Hex).
The 2 digits preceding the colon describe the present condition of the instrument. The 2 digits
after the colon indicate the parameters, which have changed.
Bit
Weight
Fault
Bit
Weight
Fault
0
1
OCXO Not Inst. (set
to 1)
4
16
Out-of-Lock
1
2
Stabilized (stab. = 1)
5
32
Time Error
2
4
Power Supply Error
6
64
VCXO Error
3
8
IRIG Bus Fault
7
128
Receiver Failure
Table 9.1: Fault Indications and Definitions
Summary of Contents for 1084A
Page 4: ...iv ...
Page 6: ...vi ...
Page 18: ...xviii LIST OF FIGURES ...
Page 24: ...4 Unpacking the Clock ...
Page 36: ...16 Connecting Inlet Power Input and Output Signals ...
Page 44: ...24 GPS Antenna and Cable Information ...
Page 114: ...94 Startup and Basic Operation ...
Page 123: ...B 4 Physical Dimensions 103 Figure B 1 Suggested Mounting of the AS0094500 Surge Arrester ...
Page 124: ...104 Using Surge Arresters ...
Page 134: ...114 Options List C 6 2 Option 06 Firmware Setup Figure C 3 Option 06 Firmware Setup ...
Page 142: ...122 Options List Figure C 5 Option 06 Output Jumper Settings ...
Page 158: ...138 Options List Figure C 13 Option 17 Board Layout and Jumper Locations ...
Page 163: ...C 13 Option 20A Four Fiber Optic Outputs 143 Figure C 14 Option 20A Jumper Locations ...
Page 170: ...150 Options List Figure C 16 Option 23 Internal Jumper Setup ...
Page 172: ...152 Options List Figure C 17 Option 27 Jumper Locations ...
Page 190: ...170 Options List Figure C 20 Option 29 Connector Signal Locations ...
Page 246: ...226 Options List ...
