Juniper SRX 5800, Hardware Manual

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10. Check the LEDs on both high-capacity AC power supply faceplates to ensure that they are operating
properly.
11. Remove the remaining two standard-capacity AC power supply from the services gateway. See
“Removing an SRX5800 Services Gateway AC Power Supply” on page 278 for instructions on removing
AC power supplies.
12. If you are upgrading to four high-capacity AC power supplies to achieve 2+2 redundancy, install
high-capacity AC power supplies in the slots you vacated in Step 11 . See “Installing an SRX5800 Services
Gateway AC Power Supply” on page 281 for instructions on installing AC power supplies.
13. Check the LEDs on all installed high-capacity AC power supply faceplates to ensure that they are
operating properly.
To upgrade a services gateway that has two standard-capacity DC power supplies to two or four
high-capacity DC power supplies:
1. Ensure that the services gateway is running Junos OS Release 12.1X44-D10 or later. Earlier Junos OS
releases do not support high-capacity DC power supplies.
2. If you have not already done so, replace both standard-capacity fan trays with high-capacity fan trays.
Also replace the standard-capacity air filter with a high-capacity air filter. For more information, see
“Replacing an SRX5800 Services Gateway Fan Tray” on page 268 and “Replacing the SRX5800 Services
Gateway Air Filter” on page 274 .
3. Install high-capacity DC power supplies in the two empty PEM slots in the back of the chassis. See
“Installing an SRX5800 Services Gateway DC Power Supply” on page 290 for instructions on installing
DC power supplies.
4. Check the LEDs on the faceplate of each of the new power supplies to confirm that they are operating
properly.
5. Remove both of the standard-capacity power supplies from the services gateway. See “Removing an
SRX5800 Services Gateway DC Power Supply” on page 287 for instructions on removing DC power
supplies.
6. If you are installing four high-capacity DC power supply to achieve 2+2 redundancy, install high-capacity
DC power supplies in the slots vacated in Step 5 .
7. Check the LEDs on the faceplate of each of the new power supplies to confirm that they are operating
properly.
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