Ssu-2000E Turn-Up Procedures - Symmetricom SSU-2000e User Manual

11.Verify that all modules are receiving power and generating regulated DC outputs
by checking that their POWER indicators (LEDs) are lit, see
Indications During
12.To ensure that both power inputs are valid, verify that the green POWER indicator
on the front of the Communications module is on. Also verify that the –48V Power
A and B LEDs are both green. If all these indicators are not green, refer to
2-11 for the LED color code indications. Refer to
Troubleshooting, if you are unable to obtain the correct indications.
Table 2-11. Power LED Indications
LED
Power
Power
–48V Power Supply A or B
–48V Power Supply A or B
–48V Power Supply A or B

SSU-2000e Turn-Up Procedures

To power-up the shelf, insert 5-amp fuses, one each for Power A and Power B, into
the appropriate slot in the power distribution control panel.
SSU-2000e Normal Indications During Turn-Up
As the shelf powers up and begins normal operation, the LEDs on the front of each
of the installed modules go through a sequence as follows:
Clock Module 2E – The POWER LED turns green when the fuses are installed
in the main chassis and stays green. The STATUS LED blinks green and amber
for approximately 10 to 15 seconds and then stays green. The SELECTED LED
turns green on the selected clock module after the ACQUIRE LED on the clock
module turns green. The WARMUP LED turns amber for approximately 30
seconds to 5 minutes then turns off and the ACQUIRE LED turns green. The
ACQUIRE LED stays green 10 to 15 minutes until the module locks onto a signal,
then the LED turns off. The LOCKED LED then turns green and stays green.
12713140-002-2 Revision E – October 2006
Turn-Up, on page 87.
State
On At least one –48V power supply is connected
Off No –48V power supply A or B connected
On (Green) Power supply is connected
Off No –48V power supply connected to the inputs
indicated by the LED
On (Amber) Polarity is reversed on the inputs indicated by the LED
Chapter 2 Installing the SSU-2000e
SSU-2000e Turn-Up Procedures
Normal System
Chapter 5, Maintenance and
Indication
SSU-2000e User's Guide
Table
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