A.6 System Interface
99
A.6
System Interface
A.6.1
RS-232C Interface
Pin No.
Function
Pin No.
Function
1
Not Connected
6
RS-232 Output/Prog Pulse
2
RS-232, Rx Data
7
Not Connected
3
RS-232, Tx Data
8
RS-422/485, Tx-A
4
RS-232 Input
9
RS-422/485, Tx-B
5
Ground
–
–
Table A.2: Main RS-232 Port Pin Definitions
NOTE: pins 6 – 9 are not connected on the optional RS-232 port. RS-422/485: Transmit only.
Communication Parameters
•
Selectable, 300
−
19,200 baud, 7 or 8 data bits, 1 or 2 stop bits, odd/even/no parity
•
Supports all keyboard functions
A.6.2
Data Formats
Supports continuous output data in the following formats:
<
SOH
>
ddd:hh:mm:ss
<
CRLF
>
Broadcast Mode, ASCII
44hhmmss
<
CRLF
>
55ddd
<
CRLF
><
BEL
>
Broadcast Mode, Vorne
mm/dd/yyyy hh:mm:ss.sssssss nnn
<
CRLF
>
Broadcast Mode, Event
ddd:hh:mm:ss I=nn:nn X=nn:nn
<
CRLF
>
Broadcast Mode, Status
<
CRLF
>
Q yy ddd hh:mm:ss.000 (space)
Broadcast Mode, Extended ASCII
<
SOH
>
ddd:hh:mm:ssQ
<
CRLF
>
Broadcast Mode, ASCII w/Time Quality
<
SOH
>
yyyy:ddd:hh:mm:ssQ
<
CRLF
>
Broadcast, ASCII, year w/Time Quality
(For other broadcast strings, see Section 9.2.1)
For more information refer to RS-232 Broadcast Commands contained in Appendix A, Table A-1.
A.7
Physical Specifications
A.7.1
Dimensions
•
Instrument:
430-mm W x 44-mm H x 280-mm D (16.9-in. x 1.7-in. x 11.0-in.)
•
Antenna:
77-mm diameter x 66-mm height (3.05-in. x 2.61-in.)
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 ...