3Com 3C63311 Reference Guide - Page 48

36 CHAPTER 2: INSTALLATION 3 Remove the cover plate from the slot into which you want to install the optional module by unscrewing the two retaining screws. Figure 11 shows the retaining screws being removed from slot 7. Figure 11 Removing the Cover Plate from Slot 7 4 Insert the optional card into the appropriate slot (7 for the CBR module; 7 or 8 for the VCM; 9 for the DS3/E3 module). Figure 12 shows the CBR module being installed into slot 7. Installation for the other modules is the same. Figure 12 Inserting an Optional Module (CBR Module into Slot 7) 1 3 4 2 a Slide the faceplate into position (arrow 1). b Line up the pins carefully and press down from above the pin connector (arrow 2). By aligning the screw hole with the standoff, you will also line up the pins. c Install the screw supplied with the optional module through the card into the stand-off post (item 3). d Install the two screws in the optional module's faceplate (item 4).