Using the Symmetricom Serial Interface Protocol
64 X72 Desiger’s Reference and User’s Guide 097-10603-01 Rev. A – November 2004
The output control status register (OSR) bit structure, control features and
controlling factors are defined as shown below.
Table B-4. Administrative Mode Commands
User Output to X72 Response to Host Command Name and Description
Command DATA
a None Outputs 6 lines of
banner – same as
power-up
Unit Information Same as the "i"
command in FACTORY mode and
RUN mode.
b "File" from
Symmetricom
(self-burning)
To be Specified Operating this command without valid
"file" will not overwrite the existing
data stored in FLASH memory.
x None x f> EXIT Administrative mode to
FACTORY mode
y None Y asks "are you sure?" Soft reset. Restarts processor.
z None Z asks "are you sure?" Puts unit into a mode where it will
wake only when the power is recycled.
Note: ADMIN mode allows the loading of new code or updates, or
reconfiguring defaults in the field. It is not a normal operating mode.
Table B-5. Output Control Status Register Structure
Bit # Control Description Controller
0* Lamp Switch Power
Boost – internal unit
function
1 = Lamp Switch is on
0 = Lamp Switch off
Controlled by firmware – Automated
Function
1* BIST Output 0 = Unit is locked
1 = Unit is not locked
Controlled by firmware – Automated
Function
2 FXO Enable 0 = Enable FXO output
1 = Disable FXO output
Default is set at Factory per Configuration file
that matches customer’s selection – Host
can alter during operation, but host cannot
alter the default power up condition.
3 1PPS Output
Enable
0 = Enables 1PPS
Output
1 = Disables 1PPS
Output
Default is set at Factory per Configuration file
that matches customer's selection – Host
can alter during operation, but host cannot
alter the default power up condition.