Getting Started
15
• Weight: up to 35kg dependent upon configuration per enclosure.
• A minimum gap of 25mm (1 inch) clearance between the rack cover and front of drawer; and 50mm
(2 inches) rear clearance between rear-of-drawer and rear-of-rack is recommended in order to
maintain the proper air flow around the enclosure.
• The rack should present a maximum back pressure of 5 pascals (0.5mm water gauge).
2.2.2 Chassis Installation
Units are shipped with enclosures pre-installed in the racks. Please refer to Appendix A for 1269-3S2 19”
Rack Installation Instructions.
2.3 Power Supply/Cooling Module
Installation
Install in the rear of the enclosure in positions 1 and 5.
Warning
Do not remove covers from the PSU/Cooling module. Danger of electric shock inside. Return the
PSU to your supplier for repair.
2.3.1 Parts Check List
2 x AC 450W PSU (Power Supply/Cooling Module)
2.3.2 AC PSU/Cooling Module Installation Procedure
Important
Both PSUs must be fitted “upside-down” as shown in
. If the cable strain relief wire tab
is upside down it must be inverted by squeezing together the two sides of the tab, removing them
from their mountings, inverting and then replacing them, as shown in
1
Check for damage, especially to the rear connector on the supply.
Caution
Handle the module carefully and avoid damaging the connector pins. Do not install the module if any pins
appear to be bent.
Figure 2–2
Inverting the Cable Strain Relief
