Service manual
40 Rack Mounting and Option Installation Chapter 2
Installing the Backplane Connector Shields
This procedure describes how to install backplane connector shields
(kit p/n E8400-80918 in the HP E840xA mainframe. The shields are HP’s
implementation of VXI revision 1.4, specification B.7.2.3 which ensures
compliance with RFI levels specified in standards EN55011 and CISPR11.
Note A number of VXI instruments require shields for compliance with
EN55011 and CISPR11. Refer to the instrument documentation to
determine if shields are required.
WARNING Do not install backplane connector shields while the mainframe
is turned on or plugged into an AC power source.
Parts List The parts included in the E8400-80918 kit are shown in Table 2-6.
Procedure 1. Position the shields over the backplane connectors as shown in Figure
2-14. Two connector shields and four screws are required for each
slot.
Table 2-6. HP E8400-80918 Parts List.
Quantity Description Part Number
54* Torx Head Screw - 4-20x.25 0624-0702
26 Backplane Connector Shield E1400-80601
* Includes two extra screws