Juniper SRX5600, Hardware Manual

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on page 255 for instructions on removing AC power supplies. If there are only three standard-capacity
AC power supplies installed in the services gateway, proceed to the next step.
5. Install a high-capacity AC power supply in the vacant slot in the back of the chassis. See “Installing an
SRX5600 Services Gateway AC Power Supply” on page 256 for instructions on installing AC power
supplies.
6. Check the LEDs on the high-capacity AC power supply faceplate to ensure that it is operating properly.
7. Remove the standard-capacity AC power supply from any other PEM slot in the chassis. See “Removing
an SRX5600 Services Gateway AC Power Supply” on page 255 for instructions on removing AC power
supplies.
8. Install a high-capacity AC power supply in the slot you vacated in Step 7 . See “Installing an SRX5600
Services Gateway AC Power Supply” on page 256 for instructions on installing AC power supplies.
9. Check the LEDs on both high-capacity AC power supply faceplates to ensure that they are operating
properly.
10. Remove the remaining two standard-capacity AC power supply from the services gateway. See
“Removing an SRX5600 Services Gateway AC Power Supply” on page 255 for instructions on removing
AC power supplies.
11. 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 10 . See “Installing an SRX5600 Services
Gateway AC Power Supply” on page 256 for instructions on installing AC power supplies.
12. 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 recognize high-capacity DC power supplies.
2. If you have not already done so, replace the standard-capacity fan tray with a high-capacity fan tray.
For more information, see “Replacing the SRX5600 Services Gateway Fan Tray” on page 248 .
3. Install high-capacity DC power supplies in the two empty PEM slots in the back of the chassis. See
“Installing an SRX5600 Services Gateway AC Power Supply” on page 256 for instructions on installing
DC power supplies.
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