Use the following table to determine the part number for the field replaceable unit (FRU):
| CCIN or FFC | Type and model | Part number | Description | Location code |
| B54 | Any | 43G0936 | 128-port async controller cable, 0.2m (9 in.) | |
| B54 | Any | 43G0937 | 128-port async controller cable, 4.6m (15 ft.) |