3.3.42  

TMGL4 (for U.S. 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  
A TMGL4 trunk module connects up to four analog ground-start or loop-start trunks to HiPath 3550 and HiPath 3350.
Ground start is the default.
Warning  
You must disconnect the power and remove the slip-on connectors from the TMGL4 board before removing it from the system.  
Do not connect the slip-on connectors to the TMGL4 board until the board is seated in its slot and the system power is on.  
Failure to follow these instructions may severely damage the system.  

Interfaces  
 Figure 3-114   TMGL4 (for U.S. only) - Interfaces (S30810-Q2918-X)
 

Contact assignment  

 Table 3-164   TMGL4 (for U.S. only) - Contact Assignment
 Contact  
 Connector X2  
 Port  
 1  
 b-wire (ring), trunk 1  
 1  
 2  
 a-wire (tip), trunk 1  
 3  
 b-wire (ring), trunk 2  
 2  
 4  
 a-wire (tip), trunk 2  
 5  
 b-wire (ring), trunk 3  
 3  
 6  
 a-wire (tip), trunk 3  
 7  
 b-wire (ring), trunk 4  
 4  
 8  
 a-wire (tip), trunk 4  
Note: Pinouts shown are at the board itself. The main distribution frame cable (MDF cable) supplied reverses the signal order before the MDF.