Table 1

+==========================-============-=====-=========-==========-=======+ 
|                          |   Driver/  |     |         | Contact  |       | 
|                          |  receiver  |     |Connector|assignment|Contact| 
|     Connector type       |    type    |Cable| figure  |   table  |   set | 
|--------------------------+------------+-----+---------+----------+-------| 
|Non-shielded alternative 1|Single-ended|  A  |  1 & 2  |      2   |    2  | 
|Non-shielded alternative 1|Single-ended|  B  |  1 & 2  |      3   |       | 
|Non-shielded alternative 1|Differential|  A  |  1 & 2  |      4   |    2  | 
|Non-shielded alternative 1|Differential|  B  |  1 & 2  |      5   |       | 
|                          |            |     |         |          |       | 
|Non-shielded alternative 2|Single-ended|  A  |  3 & 4  |      2   |    1  | 
|Non-shielded alternative 2|Differential|  A  |  3 & 4  |      4   |    1  | 
|                          |            |     |         |          |       | 
| Shielded alternative 1   |Single-ended|  A  |  5 & 6  |      2   |    2  | 
| Shielded alternative 1   |Single-ended|  B  |  5 & 6  |      3   |       |  
| Shielded alternative 1   |Differential|  A  |  5 & 6  |      4   |    2  | 
| Shielded alternative 1   |Differential|  B  |  5 & 6  |      5   |       | 
|                          |            |     |         |          |       | 
| Shielded alternative 2   |Single-ended|  A  |  7 & 8  |      2   |    2  | 
| Shielded alternative 2   |Differential|  A  |  7 & 8  |      4   |    2  | 
+==========================================================================+