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Chapter 8 Hardware Reference
© 2017 Harmonic Inc. All rights reserved.
264
Harmonic MediaGrid Release 4.1
ContentStore 4240
Rear Panel Components
Figure 8–44: ContentStore 4240 Rear Panel
Table 8–43: ContentStore 4240 Rear Panel Components
Item
Description
1. Serial port for remote power
on/off
Do not use.
2. Expander modules
Provides SAS I/O ports. May be replaced in the event of a
failure.
CAUTION:
With Harmonic MediaGrid 4.0, SAS
cables are not hot-swappable. When replacing or
removing a SAS cable, you must first power down
the associated ContentServer controller using
SystemManager, replace or re-connect the SAS
cable, and then power on the ContentServer
controller by pressing the power button on the front
panel.
3. Power supply units
The ContentStore 4240 includes dual redundant power
supplies.
4. Fan module
Four fan modules maintain all system components below
their maximum temperature, assuming the ambient
temperature is below 35°C.
5. SAS I/O ports
Used for connecting the ContentStore to the ContentServer.
6. Debug port
Unused.
7. Console port
Unused.
SAS-1
SAS-2
SAS-3
SAS-1
SAS-2
SAS-3
1
6
5
2
4
3
7
0
1