3Com 3CR16110-95-US User Guide - Page 31
Firewall Rear Panel, Redundant Power System (RPS), Power/Self Test LED, Power socket, Reset Switch
UPC - 662705415543
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Firewall Rear Panel 31 To diagnose faults see "Troubleshooting Guide" on page 167. 8 Power/Self Test LED - 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 9 10 11 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: