IBM TS4300 Guia Del Usuario página 271

IBM Confidential
Table 67. 21U only replacement parts (continued)
Part Number
00VJ956
02XV763
1, 2
These parts can only be used in libraries having serial number 7800K0K or greater. Ensure that library
firmware is at 1.2.1.0-A00 or later to support newer library serial numbers.
Description
3555 Spooling Mechanism
3555 Base Controller
Appendix H. Replacement parts 239