Keysight Y1157A - 9 to 10-pin Cable Kit for Y1150A, Y1152A and Y1154A
The Y1157A is a 10-pin ribbon connector to 9-pin D-Sub cable kit. The kit contains materials to build four cables and is used with the following distribution boards:
The key to building the cables correctly is to understand the orientation of the socket pins on the distribution boards and the pin number orientation of the cable connectors. This orientation is shown in image below. When using the D-sub connector, always refer to the pin orientation shown in the figure. Do not use the pin numbers printed on the part.
For more information, please see the document linked here beginning on page 30.