The problem is in the async EIA-232D, V.24 cable. 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 |
| 259 | 9117-MMA | 42R5206 | Async EIA-232D, V.24 cable | Un-P1-Cx-Ty |