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Front Panel 13
Hardware Overview
Physical Interface Module Slots
Physical interface modules (PIMs) let you add Ethernet and WAN interfaces to your
SSG 500-series device. To install and remove PIMs, see “Replacing a PIM” on
page 46. For more information about installing and configuring PIMs, see the PIM
and Mini-PIM Installation and Configuration Guide.
Table 4 shows the PIM types you can install in the slots of an SSG 520 device. The E
located on some of the slots identifies where you can install enhanced PIMs
(ePIMs).
Table 5 shows the PIM types you can install in the slots of an SSG 550 device. The E
located on some of the slots identifies where you can install enhanced PIMs
(ePIMs).
USB Ports
The USB ports on the front panel of an SSG 500-series device accept a universal
serial bus (USB) storage device.
The USB ports let you transfer data such as device configurations, image keys, and
ScreenOS software between a USB storage device and the internal flash storage of
the security device. The USB ports support USB 1.1 and USB 2.0 specifications.
You can also log messages to a USB storage device. For more information about
logging, refer to the Administration volume of the Concepts and Examples ScreenOS
Reference Guide.
CAUTION: PIMs are not hot-swappable. Always switch off the device before
inserting or removing PIMs.
Table 4: PIM Slots, SSG 520
Slot PIM Types Slot PIM Types
1 WAN PIM or uPIM only 4 WAN PIM or uPIM only
2 WAN PIM or uPIM only 5 WAN PIM or uPIM only
3 WAN PIM, uPIM or ePIM 6 WAN PIM, uPIM or ePIM
Table 5: PIM Slots, SSG 550
Slot PIM Types Slot PIM Types
1 WAN PIM or uPIM only 4 WAN PIM or uPIM only
2 WAN PIM, uPIM or ePIM 5 WAN PIM, uPIM or ePIM
3 WAN PIM, uPIM or ePIM 6 WAN PIM, uPIM or ePIM
NOTE: When you install PIMs with Small Form-factor Pluggable (SFP) interfaces, Juniper
strongly recommends the use of Juniper SFP transceivers. Juniper cannot
guarantee correct operation if non-Juniper transceivers are used. The transceiver
type can be different in each port, as long as a supported part number is used.