3.4.13  

STBG4 (for France only) 
 
NOTE  
Danger of damage to property due to surge voltage. The required lightning protection measures must be taken for this board, see Section 2.1.2 "Lightning Protection".  

Introduction  
This current-limiting board is for connecting loop start trunks in France (HiPath 3550 and HiPath 3350). It includes the current-limiting components and surge-protection elements required by law.
No options bus lines are needed.
The slot X3 wiring is polarized.
The STBG4 channel is looped between TLA and the trunk.
 Figure 3-147   STBG4 (for France only) - Interfaces (S30817-Q934-A)
 

 Table 3-184   STBG4 (for France only) - Contact Assignment
 Contact  
 Connector X3  
 Connector X4  
 1  
 Not used  
 AL 1  
 2  
 BL 1  
 BL 1  
 3  
 On 1  
 AL 2  
 4  
 BL 2  
 BL 2  
 5  
 On 2  
 AL 3  
 6  
 BL 3  
 BL 3  
 7  
 On 3  
 AL 4  
 8  
 BL 4  
 BL 4  
 9  
 On 4  
 -  
 10  
 Not used  
 -