3Com 3C81600 User Guide - Page 13
Advanced RPS Chassis — Rear View Detail, Power Sockets (Mains AC Power)
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Advanced RPS Chassis - Rear View Detail 13 Table 1 LED behavior LED Color Indicates AC Power Inlet Status LEDs INPUT OK Green A and B AC power is connected to relevant input and is OK. Off AC power is not connected to relevant input or there is an AC power fault. Power Module Status LEDs OUTPUT OK Green Power module is connected to a SuperStack unit, and is enabled and supplying power. Off Power module is not present, is not enabled, or is not supplying power. OUTPUT FAULT Yellow Power module is required to deliver power but cannot. Off Power module is OK. Chassis Temperature Status LED OVERTEMP Yellow Temperature within the Advanced RPS chassis is too high or a fan has failed. Off Temperature and fan operation within the Advanced RPS is OK. Advanced RPS Chassis - Rear View Detail Figure 2 Rear View of the Advanced RPS Chassis Power Sockets (Mains AC Power) The Advanced RPS chassis has two AC mains inputs, labelled Primary Pwr A and Backup Pwr B. It provides dual phase support, that is, it
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