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Chapter 1 Cisco XR 12406 Router Overview
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•A circuit breaker switch on the faceplate turns the PEM on and off.
•A handle is provided for ease in removing and replacing the PEM.
•Captive screws on the PEM ejector levers secure it in the PEM bay.
•Three LEDs on the faceplate to provide status information. Table
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LED Label |
| Color | Function |
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OUTPUT OK |
| Green | PEM is operating normally in a |
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| condition. |
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INPUT OK |
| Green | DC power is present at the PEM input and |
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| within the specified limits. |
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MISWIRE |
| Amber | Indicates input is wired backward at the PDU |
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| input. |
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•Each PEM weighs 10.5 pounds (4.76 kg), and can deliver up to 1400 W at
•Each PEM requires a hardwired source DC power cable from the site DC power source to the DC PDU in the router. The DC power cable leads to the PDU should be #6 American Wiring Gauge (AWG)
•Only a DC power source that complies with the safety
•The router requires a dedicated 45A DC circuit breaker for the DC power source. This circuit breaker should protect against
Note We recommend that you install an uninterruptable power source (UPS) as a safeguard against power loss.
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| Cisco XR 12406 Router Installation Guide |
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