4Nortel Secure Router 4134 chassis fundamentals 21Secure Router 4134 chassis 21Important information about the Secure Router 4134 27Compatible external interface modules for the Secure Router 4134 28Slot numbering 29Secure Router 4134 replaceable parts 30Secure Router 4134 service access panel 32Secure Router 4134 chassis installation 35Prerequisites to Secure Router 4134 chassis installation 35Secure Router 4134 chassis installation procedures 35Secure Router 4134 chassis installation navigation 36Prepare and install the Secure Router 4134 chassis 39Unpacking and inspecting the chassis and shipping accessories 39Installing the mounting brackets on the Secure Router 4134 40Prerequisites 42Installing the Secure Router 4134 chassis in an equipment rack 43Prerequisites 44Installing the terminal lug on the Secure Router 4134 44Prerequisites 45Opening the rear access panel 47Prerequisites 47Hardware specifications 49Chassis dimensions 49Weights 49Clearance requirements 50Environmental requirements 50Mounting rack requirements 51Power and grounding 52Power supply specifications 52Power budget 52Grounding 53Translations of safety messages 55Class A device caution statement 55Qualified service personnel warning statement 56Overcurrent warning statement 56Cover plate warning statement 57Laser fiber optic warning statement 58Electric shock danger statement 59Nortel Secure Router 4134Installation — ChassisNN47263-300 03.01 7 September 2009Copyright © 2007-2009 Nortel Networks. All Rights Reserved.