Orolia Spectracom VelaSync 1232, User Manual

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complete. An index marker occurs between the decimal digits in each subword to provide
separation for visual resolution. The least significant digit occurs first. The BCD code
recycles yearly.
Forty-five control functions occur between position identifiers P
5
and P
0
. Any control func-
tion element for combination of control function elements can be programmed to read a
binary "one" during any specified number of time frames. Each control element is iden-
tified on the Control Function Field Table.
Table 5-5: IRIG E control function field
BIT No. CF ELEMENT No. FUNCTION
50 1 SPACE
51 2 SPACE
52 3 SPACE
53 4 SPACE
54 5 SPACE
55 6 TIME SYNC_STATUS
56 7 SPACE
57 8 SPACE
58 9 SPACE
59 PID P6 POSITION IDENTIFIER
60 10 YEAR UNITS Y1
61 11 YEAR UNITS Y2
62 12 YEAR UNITS Y4
63 13 YEAR UNITS Y8
64 14 SPACE
65 15 YEAR TENS Y10
66 16 YEAR TENS Y20
67 17 YEAR TENS Y40
68 18 YEAR TENS Y80
69 PID P7 POSITION IDENTIFIER
70 19 SPACE
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APPENDIX