Juniper SRX5800 Hardware Manual page 174

NOTE:
You must install four high-capacity PEMs with two inputs for each PEM.
You must install atleast one IOC3 and four SPC3s in each power zone.
You must have the third SCB in Slot 6.
SCB4 is not supported.
You can install IOC3 in slot 11 only when the ambient temperature is configured to
25° C.
Dual Routing Engines is optional.
You cannot install SPC3 in slot 11.
In chassis cluster if you configured dual control links, then each power zone must have
one control link.
You must power-cycle the SRX5800 Services Gateway after the configuration.
Table 39: SRX5800 Services Gateway Power Requirement with 8xSPC3 and 3xIOC3
Zone Chassis Component
Zone High-capacity cooling
1 system (Upper Fan
Tray)
SPC - slots 0 through 3
IOC - slots 4 and 5
SCB 0
Power Budget
Part Number (default)
SRX5800-HC-FAN 320 W
SPC3 650 W * 4
=2600 W
IOC3 607 W * 2
=1214 W
SCB3 with RE2 275 W
Power Budget at
Power budget Ambient
(with 25° C Temperature
config) (25° C)
320 W 320 W
615 W * 4 614.5 W * 4
=2460 W =2458 W
511 W * 2 511 W * 2
=1022 W =1022 W
275 W 245 W
175