Juniper SRX5800 Hardware Manual page 301

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
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
Gateway AC Power Supply" on page 281
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
Gateway Air Filter" on page
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
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
SRX5800 Services Gateway DC Power Supply" on page 287
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.
for instructions on installing AC power supplies.
274.
for instructions on removing
"Installing an SRX5800 Services
and "Replacing the SRX5800 Services
for instructions on installing
for instructions on removing DC power
302
"Removing an