Spectracom VelaSync 1225, Руководство пользователя

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Select a suitable location that meets the following requirements:
A dedicated room with restricted access
Electrically grounded and mechanically stable rack , with physical clearance
for unrestricted air flow and servicing: approx. 650 mm [25”] in front of rack, 770
mm [30”] in the back of rack
Clean, dust-free , and stable
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ambient temperature not to exceed 35°C [95°F].
Virtually free of EMC noise
Access to a reliable grounded power outlet
Sufficiently dimensioned power supply circuitry , to prevent overloading of cir-
cuits.
The use of a regulating UPS (Uninterruptible Power Supply) is recommended.
Next Steps:
Read "YOUR SAFETY" on page 17 , and "Rack Mounting: SAFETY" below before
familiarizing yourself with the procedure for the "Rack Installation" on the next
page .
2.3 Rack Mounting: SAFETY
Read "YOUR SAFETY" on page 17 .
Before installing VelaSync in the fully extended rails, or before extending the unit
from the rack, ensure that the rack is stable enough to support the weight of the
fully extended unit. If you are using a standalone rack, it may be necessary to
install stabilizers to the rack.
Always extend only one unit at a time.
Install heavier servers near the bottom of the rack.
The unit weighs approximately 24 lbs (11 kg). Depending on your chosen install-
ation location, it may be advisable to lift the unit with two persons.
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An environment where a constant temperature can be maintained during operation, to allow for the best pos-
sible timing accuracy.
2.3 Rack Mounting: SAFETY
CHAPTER
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VelaSync User's Manual Rev. 3 25