Chapter 8 Hardware Reference
© 2017 Harmonic Inc. All rights reserved. 275 Harmonic MediaGrid Release 4.1
ContentStore 5840 and 5840A
6. Cooling Module Release Latch Use when removing a cooling module, as described in the Harmonic
MediaGrid Component Replacement Guide.
7. Cooling Module (5) Five cooling modules at the rear of the enclosure maintain all system
components
below their maximum temperature, assuming the
ambient temperature is below 35°C. Cooling modules can be hot-
swapped while the enclosure is still running, assuming that only one
module is removed at a time and the swap takes no longer than two
minutes. For details, see the Harmonic MediaGrid Component
Replacement Guide.
8. Cooling Module LEDs For a description of LED states, see ContentStore 5840A Cooling Module
LEDs.
9. Power Supply Unit (PSU) Dual PSUs provide redundant power for th
e
system: if one PSU fails,
the other will keep the system running while you replace the faulty
module. For details, see the Harmonic MediaGrid Component
Replacement Guide.
10. PSU Release Latch Use when removing a PSU, as described in the Ha
rm
onic MediaGrid
Component Replacement Guide.
11. PSU LEDs For a description of LED states, see ContentStore 5840A Cooling Module
LEDs.
12. PSU Power Switch Use to turn the ContentStore on or off.
Table 8–52: ContentStore 5840A Rear Panel Components
continued
Component Description
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