CHAPTER FOUR
4.45 REQUEST MUX OUTPUT
This command allows the user to find out which output is selected on the four multiplexed
channels. The command consists of the log-in character ($-HEX 24), the primary character (J-
HEX 4A), and the secondary character (R-HEX 52).
• The user inputs $JR (HEX 24/HEX 4A/HEX 52).
• The unit responds with :
1 aa 2 aa 3 aa 4 aa CR/LF.
The digits 1-4 correspond to the MUX channels. “aa” (two digits) corresponds to Table 4-7.
Table 4-7
Request MUX Output
00 10MHz
01 5MHz
02 1MHz
03 100KHz
04 10KHz/2PPH*
05 1KHz
06 100Hz
07 10Hz/1PPH**
08 1Hz
09 .1Hz
10 1PPM
11 TRACKING
12 LOCKED
13 +5 Volts
14 1pps
15 DC Code
* 10KHz is output in Models ET6000 and ET6010. 2PPH is output in Model ET6500.
** 10Hz is output in Models ET6000 and ET6010. 1PPH is output in Model ET6500.
See Chapter One of this User’s Guide for specifications.
4-24 ET6xxx ExacTime GPS TC & FG (Rev C) Symmetricom Inc
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