Installation and Service Guide N5251-90001 3-9
PNA Series Microwave Network Analyzer System 
N5251A
   System Installation
PNA, Control
ler, and
 Test Head Module Interconnections
PNA, Controller,
 and Test Head Module Interconnections
Mount PNA on Top of Controller
Mount the PNA on top of the N5261/2A controller as shown in Figure 3-1 on page 3-10 and 
Figure 3-2 on page 3-11. Use the Lock Link kit (U3021-60003) to mechanically connect the two 
units. Detailed instructions are contained in the “System Configuration and Operation” section 
of the N5261A and N5262A User’s and Service Guide (N5262-90001).
Rear Panel Cabling
Figure 3-1 on page 3-10 and Figure 3-2 on page 3-11 illustrate the rear panel cabling for 2-port 
and 4-port systems. Torque all RF connections to 10 in-lbs (1.13 N.m) to insure proper 
connection.