146
Options List
C.14.5
Performance
Accuracy:
±
50 ns from 1 PPS, max (
−
10 ns, typical)
Jitter:
1 ns rms, max. pulse to pulse (guaranteed by design, not production tested)
C.14.6
Outputs
Connectors:
Four, BNC 50-ohm, configurable
Signals:
Normal Polarity COMTRADE Sample Rate, 50% Duty Cycle
Complemented COMTRADE Sample Rate, 50% Duty Cycle
All 21 Other Signals Available in 1088B or 1084A/B/C Clock
C.14.7
Drive Capability
Digital:
5 V CMOS Buffer, 50 Ohms Impedance
Analog:
Op amp Buffer, 600 Ohms Impedance
C.14.8
Setup
Setup Menu
The SETUP menu allows the user to modify internal operating firmware parameters within both
the Model 1084A/B/C and Model 1088A/B. The SETUP menu can be easily accessed from the
front panel keyboard.
The Option 23 SETUP menu is illustrated in Figure C.15 for the standard clock Model 1084A/B/C.
Figure 5-2 illustrates the standard Model 1088A/B SETUP menu. However, for clarity only Option
23 is described.
RS-232C Commands
Option 23 can also be configured via the RS-232C interface using one of the following commands:
Configure Option 23
Command:
m:rCA, m:rCB
m:rCA configures Option 23 to operate correctly from Option Slot A in the Model 1084A/B/C, or
from the Model 1088B. m:rCB configures Option 23 to operate correctly from Option Slot B from
the Model 1088B only.
Response:
C
Where:
m
0 = 50 Hz
1 = 60 Hz
r
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 ...