Appendix 177Activity light (on integratednetwork adapter)yellow blinking light when there is activity on thenetwork; if there is not any network activity, the lightwill be offDiagnostic lights four blue lights on the top bezel(see "DiagnosticLights" on page 76)Standby power light AUX_PWR_LED on the system boardPowerDC power supply: CAUTION: To reduce the risk of fire, electricshock, or injury, do not overload an electricaloutlet, power strip, or convenience receptacle.The total ampere rating of all products pluggedinto an electrical outlet, power strip, or otherreceptacle should not exceed 80 percent of thebranch circuit rating.Wattage 375 W or425 WVoltage (see the safetyinstructions located in theProduct Information Guide)115 V to 230 VBackup battery 3-V CR2032 lithium coin cellPhysicalHeight 45.03 cm (17.08 in)Width 187 cm (7.04 in)Depth 450 cm (17.7 in)Weight 12.7 kgEnvironmentalTemperature:Operating 10°to 35°C (50° to 95°F)Storage –40° to 65°C (–40° to 149°F)Relative humidity 20% to 80% (noncondensing)Controls and Lights (continued)book.book Page 177 Tuesday, November 27, 2007 10:29 AM