I/O
Option #	Manufacturing Part #	Description	Previous Part #
SEFX61P [S]	541-0929 [F]	PCI Express Cassette	n/a
	541-0933 [F]	PCI-X Cassette	n/a
	541-2240 [F]	I/O Unit (IOU)	n/a
	300-2009 ⁷ [F]	1.2V DC-DC Converter, DDC_A	n/a
	7047355 [F]	I/O Unit (IOU)	n/a
	300-2009 ⁸ [F]	1.2V DC-DC Converter, DDC_A	n/a
SEFX61Z [S]	541-0929 [F]	PCI Express Cassette	n/a
	541-0933 [F]	PCI-X Cassette	n/a
	541-2240 [F]	I/O Unit (IOU)	n/a
	300-2009 ⁹ [F]	1.2V DC-DC Converter, DDC_A	n/a
SELX8LK1P [S]	Fibre Link Card Kit w/ 2 × Cards & 2 × 10M Cables (for External I/O Expansion Unit)
	7056243 [F]	Copper Link Card	501-7041 [F]
	7060403 [F]	Copper Link Cable, 4M	530-3965 [F] 537-1077 [F]
SELX8LK1Z [S]	Copper Link Card Kit w/ 2 × Cards & 4M Cable
	501-7041 [F]	Copper Link Card	n/a
	7060403 [F]	Copper Link Cable, 4M	530-3965 [F] 537-1077 [F]
SENX8FC1Z [S]	537-1100 [F]	Fibre Link Cable 10M	n/a
SENX8FC2Z [S]	537-1070 [F]	Fibre Link Cable 25M	n/a
SENX8LK2P [S]	Fibre Link Card Kit w/ 2 × Cards & 2 × 10M Cables (for External I/O Expansion Unit)
	537-1100 [F]	Fibre Link Cable 10M	n/a
	7056242 [F]	Fibre Link Card	501-7040 [F]
SENX8LK2Z [S]	596-6258	Fibre Link Card Kit w/ 2 × Cards & 2 × 10M Cables (for External I/O Expansion Unit)	n/a
SENX8LK2Z [S]	501-7040 [F]	Fibre Link Card	n/a
SENX8LK3Z [S]	596-6228	Fibre Link Card Kit w/ 2 × Cards & 2 × 25M Cables (for External I/O Expansion Unit)	n/a
SENX8LK3Z [S]	501-7040 [F]	Fibre Link Card	n/a
XMP10C-S [S]	Copper Link Card Kit w/ 2 × Cards & 3M Cable (for External I/O Expansion Unit)
	501-7041 [F]	Copper Link Card	n/a
	7060403 [F]	Copper Link Cable, 4M	530-3965 [F] 537-1077 [F]
n/a	530-3965 [F]	Copper Link Cable, 4M	537-1077 [F]
n/a	7056255	Copper Link Card	n/a
n/a	7056243 [F]	Copper Link Card	501-7041 [F]

⁷ DDC_A is a valid FRU on an IOU only. On a MBU_B the FRU is the complete MBU_B.
⁸ DDC_A is a valid FRU on an IOU only. On a MBU_B the FRU is the complete MBU_B.
⁹ DDC_A is a valid FRU on an IOU only. On a MBU_B the FRU is the complete MBU_B.
NOTE: Sun SPARC Enterprise M4000 & M5000 Unit Device Path Information (article 1002807.1)
NOTE: External I/O Expansion Unit

Table Legend
[F] = Field Replaceable Unit (FRU) [C] = Customer Replaceable Unit (CRU) [A] = Alternate, can be used in system; wasn't used during production [S] = Supported, but can no longer be ordered with this system [N] = No longer supported for this system Price = Price this Part