OPTION DESCRIPTIONS
Install the jumper plug between JP3-1 and JP4-1 for the ten microsecond pulse rate duration.
Figure Two
JP3
JP4
21
2
1
Jumper
C21
The following pulse rates can be selected using DIP switch SW1 as shown in Table One below:
Table One
SW1 Switch Position Pulse Rate
1 2 3 4
X X X X 1mpps
X X X 500kpps
X X X 100kpps
X X 50kpps
X X X *20kpps
X X 5kpps
X X 2kpps
X 500pps
X X X 200pps
X X 100pps
X X 50pps
X 20pps
X X 10pps
X 5pps
X 1pps
1ppm
* 10kpps is generated in lieu of 20kpps if 21057-1 Assembly is used.
X = Closed (on).
Symmetricom, Inc. TM7000 TymMachine TCG/T (Rev D) A-57