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  Y Cable for A108 to 2 separate T1/E1 (straight). This is to connect the A108 against lines from the Telco. 
     A = port N; B = port N + 4
  1 <-> 1A 2 <-> 2A 3 <-> 1B 4 <-> 4A 5 <-> 5A 6 <-> 2B  7 <-> 4B 8 <-> 5B 
 
   Y Cable for A108 to 2 separate T1/E1 (cross). This is to connect the A108 against another T1/E1 card.
      A = port N; B = port N + 4 1 <-> 4A 2 <-> 5A 3 <-> 4B 4 <-> 1A 5 <-> 2A 6 <-> 5B  7 <-> 1B 8 <-> 2B   
 
 
 
 
 
 
 
  A108 to A108 (cross). This is to connect two A108s in a back-to-back configuration.
 1 <-> 4 2 <-> 5 3 <-> 7 4 <-> 1 5 <-> 2 6 <-> 8  7 <-> 3 8 <-> 6   
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