Chapter 3: Installation3-2SSR-600 Installation Guide3.2 UNPACKING THE SSR-600Unpack the SSR-600 as follows:1. Remove the shipping material from the box and carefully remove theSSR-600.2. Visually inspect the SSR-600. If there are any signs of damage,contact Cabletron Systems (refer to the Getting Help section)immediately.3. Read any SSR-600 Release Notes included in the shipping box for anyimportant up-to-date information before proceeding.3.3 INSTALLING OPTIONSIf you have purchased the SSR-600-ECM auxiliary card, it must beinstalled before proceeding. The cover of the SSR-600 must be removedto install this option. The SSR-600 cover does not need to be removed toinstall the SWPIMs.The Cabletron Systems Sliding WAN Physical Interface Modules(SWPIMs) can be installed before or after the SSR-600-ECM installation.Refer to Section 3.3.3.3.3.1 Removing the SSR-600 CoverThis section describes how to remove the SSR-600 chassis cover. Thecover must be removed to install an SSR-600-ECM or to change switchpositions when necessary.!CAUTIONThe SWPIM and SSR-600-ECM options are sensitive to staticdischarges. Use a grounding strap and observe all staticprecautions during installation. Failure to do so could result indamage to the SWPIMs, SSR-600-ECM, or the SSR-600.Do not remove the cover from the SSR-600 while power isapplied to the unit. Do not power up the device again until thecover and screws are back in place.