HP 81200, Installation Manual, Page: 61 / 76

Modify Your System
Adding the Trigger Input Pod
61
Adding the Trigger Input Pod
If you have ordered the 8-line Trigger Input Pod E4805A Option 002 separately, you need to
install it into the HP81200 System.
Prerequisites
Prerequisites for this installation are:
• an HP E4805A Central Clock Module, the serial number of this module must be higher than
DE37800166
• the HP E4873A User Software Revision 2.0 or higher
• a flat screw driver and a TORX No.362 screw driver
Installing the Trigger Input Pod
To connect the Trigger input pod, it is necessary to unplug the E4805A module from the
mainframe, to open the module and to plug the pod cable into the board.
1. Switch off the system and disconnect the power cord
2. Disconnect all cables from the E4805A Central Clock Module. If necessary, mark the cables
to make it easier to re-connect the cables into the right position
3. Remove the E4805A Central Clock Module from the mainframe
4. Unscrew the 7 screws to open the side panel of the module using a TORX screw driver
Figure 32 Open the HP E4805A Central Clock Module
Unscrew the 7 screws
The TORX screw driver
is required