Nokia 7210 - 2.4.8 External Power Supply (ETR-Only)

System Overview
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7210 SAS-D CHASSIS INSTALLATION GUIDE
3HE 10087 AAAA TQZZA Edition 01 Issue: 08
2.4.8 External Power Supply (ETR-Only)
The 7210 SAS-D ETR supports an optional external backup power supply that is
available as a separate purchase. The external power supply is available as an AC
module or a DC module.
For specifications on the external input power requirements, see section 7. For
information on how to install the external power supplies, see section 3.2.6.
Figure 6 External AC Power Supplies
Note: The 7210 SAS-D supports the detection of an internal power supply failure and an
external backup power supply failure.
Table 4 External AC Power Supply Description
Key Description
1 Front view of the external AC power supply
2 Rear view of the external AC power supply
3 Captive screw
4 Power cable to the 7210 SAS-D chassis
1
2
3
4