097-10603-01 Rev. A – November 2004 X72 Desiger’s Reference and User’s Guide 59
Using the Symmetricom Serial Interface Protocol
The following is an example of output from the X72 after power is applied to the unit.
X72 by Symmetricom, Inc., Copyright 2001
SDCP Version 3.75 of 3/2001; Loader Version 2
Mode CNN1 Flag 0004 [822F]ok
Unit serial code is 0009AB001B-h, current tuning state is 6
Crystal: 60000000hz, ACMOS: 10000000.0hz, Sine: 10000000.0hz
Ctl Reg: 029C, Res temp off: –1.5410, Lamp Temp off: -2.1142
FC: Enabled
Srvc: high
Enter Run Mode
FC Mode is enabled
f>
The following is an example of the response one gets by entering the letter “i” to get
serial number and other facts of “information” on the X72:
r>i
X72 by Symmetricom, Inc., Copyright 2001
SDCP Version 3.75 of 3/2001; Loader Version 2
Mode CNN1 Flag 0004
Unit serial code is 0009AB0018-h, current tuning state is 6
Crystal: 3938700hz, ACMOS: 989680.00000000hz, Sine:
989680.00000000hz Ctl Reg: 029C, Res temp off: BFC53F7D,
lamp temp. off: c0074FOE, FC: enabled, Srvc: low
The following is an example of entering the letter “h” to get the “help menu” from the
X72:
r>h
a: Set FC Mode
f: Adjust DDS Frequency (delta e–11)
i: Info (show program info)
j: Display 1pps Delta Reg
k: Set 1pps TIC
l: Set Service Pin Sense
o: Set ACMOS Output Frequency ‘N’
p: Display Control Reg
q: Set Control Reg
t: Dave Tuning Data
w: Display Health Data
x: Exit Run Mode
r>
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