Installing the interface modules 432 Loosen the captive screw at the top of the center slot moduleguide.3 Remove the center slot module guide. The following figureshows the removal of the center slot guide.4 Align the Large Module with the slot and the slot module guideson the outside edges of the slot.5 Slide the module into the chassis until its connector paneltouches the chassis back panel.6 Push gently, but firmly, to seat the connector on the interfacemodule in the chassis back panel.7 Ensure the levers on the module are flush with the front panel ofthe Secure Router 4134.8 Use a Phillips screwdriver to tighten the two captive screws tosecure the module to the chassis.--End--Installing a Small Module in the Voice Carrier Medium ModuleEnsure you securely install the Voice Carrier Medium Module in theSecure Router 4134 chassis before you install Small Modules in theVoice Carrier Medium Module. For instructions to install the Voice CarrierMedium Module in the chassis, see “Installing a Medium Module” (page42).If you are working with 2- or 4-port FXS or FXO Small Modules, ensureyou read the safety messages related to the FXS and FXO interfacemodules. See “Foreign Exchange Station (FXS) Interface Modules” (page17) and “Foreign Exchange Office (FXO) Interface Modules” (page 18).Nortel Secure Router 4134Quick StartNN47263-100 02.01 Standard18 February 2008Copyright © 2007, 2008 Nortel Networks.