USER'S GUIDE____________________________________________________________________  
24 __________________________________________________________________ M210796EN-F 
Probe Options 
The PTU301 is intended for wall-mounted applications. The standard 
version has a fixed probe. 
 
1104-079 
Figure 3  PTU301 Fixed Probe 
The PTU301 short cable probe is a special version for use with the 
WLAN module, and when LAN module and power supply module are 
simultaneously installed. It has the general use PTU303 probe on a short 
cable (21 cm), and a mounting plate with a probe holder. 
 
1104-080  
Figure 4  PTU301 Short Cable Probe