Cisco Systems 159330 Protection Description, Status & Alarms Description, Mechanical Description

Chapter 1 Introduction

1.1.6 General Specifications

Table 1-4 Protection Specifications

Protection	Description
Overcurrent (output)	Short circuit and automatic current limiting
Overvoltage	Selective shutdown of modules at excessive
	output voltages

Table 1-5provides status and alarm specifications for the Cisco AC/DC Power System.

Table 1-5 Status and Alarm Specifications

Status & Alarms	Description
Alarm Contacts	Four form-C alarm contacts (Low Voltage, Mains
	Error, Module Failure, Fuse/Circuit Breaker
	Failure), maximum 60 VDC, rated at 1A
Status (Rectifier)	Green LED indicates power is within acceptable
	range
	Yellow LED indicates current limit/thermal
	protection
	Red LED indicates overvoltage shutdown or
	rectifier alarm

Table 1-6provides mechanical specifications of the Cisco AC/DC Power System.

Table 1-6 Mechanical Specifications

Mechanical	Description
Shelf Dimensions	17.4 x 5.25 x 10.8in. (442 x 132.9 x274mm)
WxHxD
1RU Shelf WxHxD	17.1 x 1.69 x 9.175in. (434 x 43 x 233mm)
Mounting	ETSI, 19in. (IEC and ANSI) or 23in.

Table 1-7provides environmental specifications for the Cisco AC/DC Power System.

Table 1-7 Environmental Specifications

Environment	Description
Shock/Vibration	(NEBS) Level 3, Class B Certification
Earthquake	Zone 4 Compliant
Audible Noise	<60 dBA
Ambient Temperature	-40°C to 55°C
Storage Temperature	-40°C to +85°C
Relative Humidity	10-90%, non-condensing

Table 1-8provides compliance specifications for the Cisco AC/DC Power System.

Cisco AC/DC Power System User Guide, R1.0

May 2006 1-7