Manual Version: 6PW105-20170324 BOM:3105A017iH3C SR6600 Routers Chassis Accessories Installation Guide1 IntroductionNOTE:• Before installing an RPE-X1/RPE-X3 on the SR6604, SR6608, or SR6616, you need to install a chassisaccessory. For an SR6604 or SR6608, you can install the chassis accessory in slot 0 and slot 1; for anSR6616, you can install the chassis accessory in slot 4 and slot 5.• Install a compatible chassis accessory to hold the RPE-X1 and RPE-X3.• This installation guide takes the SR6616 for example to illustrate how to install a chassis accessory.The chassis accessory can bear two MPUs.Figure 1 Structure of the chassis accessory(1) Mounting holes (2) Bus connectors1(3) Power connector (4) Slide rail(5) Mounting holes (outside the ejector levers) (6) Ejector levers2 Installing a Chassis Accessory1. Face the front panel of the router.2. Locate the slot where you will install the MPU (Slot 4 or Slot 5, the figures below illustrate how toinstall an MPU to Slot 5)3. Remove the plastic bag stuck to the chassis accessory and take out the two mounting screws.4. Gently push the chassis accessory (with the components facing left) into Slot 4 or Slot 5 along theslide rails until the positioning pins on the backplane are seated in the mounting holes at thebottom of the chassis accessory, then push the ejector levers inward to lock the chassis accessoryin position.