302 Keysight E8402A, E8404A C-Size Mainframes User and Service GuideRack Mounting and Option Installation Installing the Cable TrayInstalling the Cable TrayThe Keysight E840xA Cable Tray (Option 914) allows you to route VXI instrumentcables and wires under the mainframe. The cable tray can be used when themainframe is on a bench top or when mounted in a standard EIA cabinet. Thetray is compatible with the support rail (Keysight E3664A) and rack slide(Keysight p/n 1494-0411) kits.Parts ListThe parts included in Option 914 are shown in Table B-1.Procedure1 Remove the four mainframe feet by lifting the tabs and moving each foottowards the center of the mainframe.2 Attach the cable tray to the mainframe using four m5x8 pan head screws.Select the tray holes based on the amount of cable clearance required.The bottom mounting holes position the tray over one additional EIA rack unit(44.5 mm), the top holes position the tray over two EIA rack units, and thecenter holes position the tray between one and two EIA rack units.3 If the mainframe will be placed on a bench top, attach the mainframe feet tothe cable tray. If the mainframe is to be rack mounted, you can save rackspace by leaving the feet off.If you ordered the support rail (Keysight E3664A) or rack slide (p/n1494-0411) kit, install the cable tray before rack mounting themainframe.Table B-1. Keysight E840xA Cable Tray Option 914 Parts List.Quantity Description Part Number1 Cable Tray E8400-041024 Cable Tray-to-Mainframe Screws - m5x8 pan head 0515-0979If the mainframe is mounted extending out from the rack, installthe cable tray with the notched end at the front of the mainframe.
