3.3.45  
TMQ4 (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  
An TMQ4 (ISDN BRI) trunk module connects up to four digital trunks to the HiPath 3550 and HiPath 3350.
The TMQ4 board provides basic rate interface (BRI) ISDN via a U2B1Q interface. The interface supports the following central office protocols:
 •   AT&T 5Ess NI-1
 •   AT&T 5ESS Custom
 •   Nortel DMS100 NI-1
 •   Siemens EWSD NI-1

Interfaces  
 Figure 3-124   TMQ4 (for U.S. only) (S30810-Q2917-X)
 

Contact assignment  

 Table 3-169   TMQ4 (for U.S. only) - Contact Assignment
 Contact  
 Connector X2  
 Port  
   
 Contact  
 Connector X2  
 Port  
 1  
 b-wire (ring), trunk 1  
 1  
   
 5  
 b-wire (ring), trunk 3  
 3  
 2  
 a-wire (tip), trunk 1  
 6  
 a-wire (tip), trunk 3  
 3  
 b-wire (ring), trunk 2  
 2  
 7  
 b-wire (ring), trunk 4  
 4  
 4  
 a-wire (tip), trunk 2  
 8  
 a-wire (tip), trunk 4  
Note: The pinouts shown are on the board itself. The main distribution frame cable (MDF cable) supplied reverses the signal order before the MDF.

HiPath 3000/5000 V8, Service Documentation, Issue 10   up Top
Disclaimer & Copyright   ID: P31003H3580S100017620   2011-01-24