
Firewall Rear Panel 31
To diagnose faults see “Troubleshooting Guide” on page 167.
8 Power/SelfTestLED- This LED shows green to indicate that the unit is
switched on. This LED flashes for about 90 seconds while self-test is
running, and also when restarting.
If you have installed a 3Com RPS unit with the Firewall and the RPS has a
fault, the Power LED will flash to warn you. Once the fault on the RPS has
been rectified, the Power LED will stop flashing.
Firewall Rear Panel
Figure 5 shows the rear panel of the Firewall.
Figure 5
Firewall Rear Panel
The Firewall rear panel contains the following components:
9 Power socket - Only use the power cord supplied with the Firewall.
10 Redundant Power System socket - Use this connector to attach a
Redundant Power System to the Firewall.
11 Reset Switch (recessed) - Use to reset the Firewall.
CAUTION: Holding the Reset Switch when you power on the Firewall will
erase the operational firmware and return the device to factory default
settings. To reset the Firewall see “Restore Factory Defaults” on page 187.
Redundant Power
System (RPS)
The SuperStack 3 Advanced Redundant Power System (RPS) offers you
the flexibility to supply power to your SuperStack devices in the event of a
failure of an internal power supply. The System is a group of products
from which you choose the most suitable for your equipment and its
configuration. One RPS unit can supply up to eight SuperStack 3 units.
The RPS status is displayed in the Unit Status screen on the Web interface.
Use the following SuperStack 3 RPS with the Firewall:
9
10
11
DUA1611-0AAA02.book Page 31 Thursday, August 2, 2001 4:01 PM
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