The SecureSync unit will install into any EIA standard 19-inch rack. SecureSync occupies
one rack unit of space for installation, however, it is recommended to leave empty space of
at least one rack unit above and below the SecureSync unit to allow for best ventilation.
Rack mounting requirements:
The maximum ambient operating temperature must be observed. See "Mech-
anical and Environmental Specifications" on page29 for the operating temperature
range specified for the type of oscillator installed in your SecureSync unit.
If the SecureSync unit is to be installed in a closed rack, or a rack with large amounts
of other equipment, a rack cooling fan or fans should be part of the rack mount
installation.
Installation of the unit in a rack should be such that the amount of air flow required
for safe operation of the equipment is not compromised.
Follow the mounting directions described below to prevent uneven mechanical
loading, possibly resulting in a hazardous condition.
Do not overload power supply circuits. Use only supply circuits with adequate
overload protection. For power requirements, see "Input Power" on page23.
Reliable grounding of rack-mounted equipment must be maintained. Particular
attention must be given to supply connections other than direct connections to the
branch circuit (e.g., use of power strips).
2.5.1 Rack Mounting (Ears)
The SecureSync ancillary kit contains the following parts needed for rack mounting:
2 each 2400-1000-0714 equipment rack mount ears
6 each HM20R-04R7-0010 M4 flat head Phillips screws
(optional) 2 each 2400-1000-0706 rear rack mount ears for ruggedization
The following customer supplied items are also needed:
4 each #10-32 pan head rack mount screws
1 each #2 Phillips head screwdriver
1 each 3/32" straight screwdriver
To rack mount the SecureSync unit:
1.
Attach the 2400-1000-0714 rack mount brackets to the sides of the SecureSync
with the rack mounts ears facing outward, aligned with the front edge of the
SecureSync front panel. To secure, use the #2 Phillips screwdriver, and 3 each of
the HM20R-04R7-0010 M4 flat head Phillips screws per side. Note: if you
42
CHAPTER 2 • SecureSync 2400 User Manual Rev. 2
2.5 Mounting the Unit
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