Juniper MX-series MX240 Installation Instructions Manual

Ethernet services router fan tray

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MX240 and MX480

Ethernet Services Router

Fan Tray Installation Instructions

13 February 2008

Part Number: 530-022145-01

Revision 1

Contents

This document describes how to remove and replace the fan tray on a Juniper

Networks MX240 and MX480 Ethernet Services Router. The fan tray and the air filter

make up the cooling system.

Cooling System ...............................................................................................2

Replacing the Fan Tray ....................................................................................4

Removing the Fan Tray .............................................................................5

Installing the Fan Tray ..............................................................................6

Electrostatic Discharge Point ...........................................................................7

Preventing Electrostatic Discharge Damage ....................................................9

List of Technical Publications ..........................................................................9

Requesting Technical Support .......................................................................16

Revision History ............................................................................................17

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Page 1: Table Of Contents
MX240 and MX480 Ethernet Services Router Fan Tray Installation Instructions 13 February 2008 Part Number: 530-022145-01 Revision 1 This document describes how to remove and replace the fan tray on a Juniper Networks MX240 and MX480 Ethernet Services Router. The fan tray and the air filter make up the cooling system.
Page 2: Contents Cooling System
MX240 and MX480 Ethernet Services Router Fan Tray Installation Instructions Cooling System The cooling system consists of the following components: Fan tray Air filter The cooling system components work together to keep all router components within the acceptable temperature range (see Figure 1 on page 2, Figure 2 on page 2, Figure 3 on page 3, Figure 4 on page 3, Figure 5 on page 4, and Figure 6 on page 4).
Page 3 Cooling System be adequately cooled, the Routing Engine shuts down the system by disabling output power from each power supply. Figure 3: Fan Tray in an MX240 Router Figure 4: Fan Tray in an MX480 Router Cooling System...
Page 4: Replacing The Fan Tray
MX240 and MX480 Ethernet Services Router Fan Tray Installation Instructions Figure 5: Air Filter on an MX240 Router Figure 6: Air Filter on an MX480 Router Replacing the Fan Tray The router has one fan tray that installs vertically in the rear of the chassis. The fan tray contains three fans on an MX240 router and six fans on an MX480 router.
Page 5: Removing The Fan Tray
To replace the fan tray, use the following procedures: Removing the Fan Tray on page 5 Installing the Fan Tray on page 6 Removing the Fan Tray To remove the fan tray (see Figure 7 on page 5 and Figure 8 on page 6): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
Page 6: Installing The Fan Tray
MX240 and MX480 Ethernet Services Router Fan Tray Installation Instructions Figure 8: Removing the Fan Tray from an MX480 Router Installing the Fan Tray To install the fan tray (see Figure 9 on page 7 and Figure 10 on page 7): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
Page 7: Electrostatic Discharge Point
Electrostatic Discharge Point Figure 9: Installing the Fan Tray in an MX240 Router Figure 10: Installing the Fan Tray in an MX480 Router Electrostatic Discharge Point Figure 11 on page 8 and Figure 12 on page 8 show the location of the ESD point on the rear of the chassis.
Page 8 MX240 and MX480 Ethernet Services Router Fan Tray Installation Instructions Figure 11: Rear View of a Fully Configured DC-Powered MX240 Router Figure 12: Rear View of a Fully Configured DC-Powered MX480 Router Electrostatic Discharge Point...
Page 9: Preventing Electrostatic Discharge Damage
Table 1 on page 10 lists the software and hardware guides and release notes for Juniper Networks J-series, M-series, MX-series, and T-series routing platforms and describes the contents of each document. Table 2 on page 14 lists the books included in the Network Operations Guide series.
Page 10 JUNOS software with enhanced services. All documents are available at Table 4 on page 15 lists additional books on Juniper Networks solutions that you can order through your bookstore. A complete list of such books is available at http://www.juniper.net/books...
Page 11 JUNOS system software. This material was formerly covered in the JUNOS System Basics Configuration Guide. Describes Juniper Networks routing platforms and explains how to configure basic system parameters, supported protocols and software processes, authentication, and a variety of utilities for managing your router on the network.
Page 12 Describes the Advanced Insight Manager (AIM) application, which provides a gateway between JUNOS devices and Juniper Support Systems (JSS) for case management and intelligence updates. Explains how to run AI scripts on Juniper Networks devices.
Page 13 Table 1: Technical Documentation for Supported Routing Platforms (continued) Book J-series Routing Platform Documentation Getting Started Guide Basic LAN and WAN Access Configuration Guide Advanced WAN Access Configuration Guide Administration Guide Release Notes JUNOS Release Notes Hardware Release Notes JUNOScope Release Notes AIS Release Notes AIS AI Script Release Notes J-series Services Router Release Notes...
Page 14 MX240 and MX480 Ethernet Services Router Fan Tray Installation Instructions Table 2: JUNOS Software Network Operations Guides Book Baseline Interfaces MPLS MPLS Log Reference MPLS Fast Reroute Hardware To configure and operate a J-series Services Router running JUNOS software with enhanced services, you must also use the configuration statements and operational mode commands documented in JUNOS configuration guides and command references.
Page 15 Table 3: JUNOS Software with Enhanced Services Documentation (continued) Book JUNOS Software with Enhanced Services Migration Guide JUNOS Software with Enhanced Services Interfaces and Routing Configuration Guide JUNOS Software with Enhanced Services Security Configuration Guide JUNOS Software with Enhanced Services Administration Guide JUNOS Software with Enhanced Services CLI Reference...
Page 16: Requesting Technical Support
Provides a brief history of the Internet, explains IP addressing and routing (Routing Information for Multivendor IP Networks Protocol [RIP], OSPF, IS-IS, and Border Gateway Protocol [BGP]), explores ISP peering and routing policies, and displays configurations for both Juniper Networks and other vendors' routers. The Complete IS-IS Protocol Provides the insight and practical solutions necessary to understand the IS-IS protocol and how it works by using a multivendor, real-world approach.
Page 17: Revision History
Products made or sold by Juniper Networks or components thereof might be covered by one or more of the following patents that are owned by or licensed to Juniper Networks: U.S. Patent Nos. 5,473,599, 5,905,725, 5,909,440, 6,192,051, 6,333,650, 6,359,479, 6,406,312, 6,429,706, 6,459,579, 6,493,347, 6,538,518, 6,538,899, 6,552,918, 6,567,902, 6,578,186, and 6,590,785.

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Juniper MX-series MX240 Installation Instructions Manual

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