Specifications

7. Use the 5/16” torque wrench to tighten the connection between the
Test Port connector and the Port Module to 8 in-lb.
8. Tighten the Port Module mounting screws.
7-7 OPTION AND
SOURCE MODULES
The MS462XX Vector Network Measurement System option and source
modules are secured by Phillips screws through the rear panel. The front
panel and the Receiver Module Assembly must be removed to allow re
-
moval of the option and source modules. There are three modules referred
to in this procedure: The A2 Option Module, the Option Source Module,
and the Source Module.
Tools Required: Phillips screwdriver
Procedure: 1. Remove the AC power cord.
2. Remove the front panel assembly (refer to Section 7-2).
3. Disconnect any cables connecting the option or source module to the
other modules in the instrument. Make note of the position and ori-
entation of all cables removed.
4. Remove the Receiver Module Assembly (refer to Section 7-5).
5. Remove the rear panel mounting screws for the Option or Source
Module to be removed (Figure 7-13 on the following page).
6. For the main Source Module, remove the backplane cover and the
two Phillips flat head screws near the backplane PCB.
7. Carefully pull the option or source module straight out from the
front of the instrument (Figure 7-14 on the following page).
Replacement is the opposite of removal.
REMOVAL AND REPLACEMENT OPTION AND SOURCE MODULES
MS462XX MM 7-21