This video shows the connector type for each channel and the part number for the 53152A removable connector.
Video: http://www.youtube.com/watch?v=BJf_h9tD58I
For more information:
http://www.agilent.com/find/53151A
http://www.agilent.com/find/53152A
http://www.home.agilent.com/en/pd-1944362-pn-53153A/soft-carrying-case-for-5315xa-microwave-counters?cc=US&lc=eng
Adaptor/connector part number: 53152-80001
Video: http://www.youtube.com/watch?v=BJf_h9tD58I
For more information:
http://www.agilent.com/find/53151A
http://www.agilent.com/find/53152A
http://www.home.agilent.com/en/pd-1944362-pn-53153A/soft-carrying-case-for-5315xa-microwave-counters?cc=US&lc=eng
Adaptor/connector part number: 53152-80001