CHAPTER THREE
In order to output the format shown in Table 3-4, set the RS-232 select switches as follows:
(Specific configurations such as Mode and BAUD rate etc. aren’t shown).
SWITCH LOCATION
AND SECTION
SWITCH
POSITION
DESCRIPTION
S1 section 5
ON (0)
ASCII selected
S1 section 6
OFF (1)
Preamble selected off
S1 section 7
OFF (1)
Quality Indicator selected off
S1 section 8
OFF (1)
Postamble selected off
S4 section 2
OFF (1)
8 Bit Word selected
TABLE 3-5
BCD Format Time Word Output
All Options On
Optional
7
6
5
4
3
2
1
0
0
0
0
0
0
0
1
0
Word #1 Preamble
Word #2
0
0
0
0
Word #3
HD
8
4
2
1
hS
8
4
2
1
US
8
4
2
1
UM
8
4
2
1
UH
8
4
2
1
TD
8
4
2
1
UD
8
4
2
1
Word #4
Word #5
Word #6
Word #7
Word #8
Word #9 Quality
Word #10 Postamble
tS
8
4
2
1
mS
8
4
2
1
0
0
TH
2
1
0
4
2
1
0
TM
TS
4
2
1
0
0
0
0
0
0
0
0
0
0
L
E
1
1
0
1
1
0
1
0
Optional
Optional
In order to output the format shown in Table 3-5, set the RS-232 select switches as follows:
(Specific configurations such as Mode and BAUD rate etc. aren’t shown).
SWITCH LOCATION
AND SECTION
SWITCH
POSITION
DESCRIPTION
S1 section 5
OFF (1)
BCD selected on
S1 section 6
ON (0)
Preamble selected on
S1 section 7
ON (0)
Quality Indicator selected on
S1 section 8
ON (0)
Postamble selected on
S4 section 2
OFF (1)
8 Bit Word selected
S4 section 5
ON (0)
Format Days-mS selected
S4 section 6
ON (0)
Loss and Error bits disabled*
* This does not apply to the Quality Indicator Word #9.
3-52
TM7000 TymMachine TCG/T (Rev D)
Symmetricom, Inc.
