Weight considerations: 2145-92F

Before you install, move, or perform service on a 2145-92F expansion enclosure, you must be prepared to handle the weight of the enclosure and its parts.

Safety notices and considerations

Important: Always read and follow the safety notices and instructions before you install, move, or service the 2145-92F expansion enclosure and its parts. See Safety notices and considerations: 2145-92F for information.

Do not exceed the specified maximum load of the rack where the enclosure is to be installed.
Do not exceed any load limit of the building and flooring where the enclosure is to be installed.
Always use a suitably rated mechanical lift or four persons when you are performing any of the following tasks:
- Removing the expansion enclosure from its packing material
- Lifting and installing the expansion enclosure in the rack for the first time
- Reinstalling the expansion enclosure after you complete a service task (for example, replacing the enclosure FRU)
At least three persons are required to move the 2145-92F enclosure while it is in the rack (if you are moving the enclosure off the rails). Even after the drives, power supply units, secondary expander modules, canisters, fans, and top cover are removed, the enclosure weighs approximately 43 kg (95 lbs).
To maximize rack stability, always install the expansion enclosure in the lowest possible position in the rack.
Ensure that the drives are easily accessible. It is best not to install the 2145-92F expansion enclosure above position 22U in the rack

Weight of expansion enclosure parts

Table 1 summarizes the weight and quantity of the parts (FRUs) that are shipped with the 2145-92F expansion enclosure.

Table 1. Weight of expansion enclosure parts
FRU description	FRU part number	Weight per unit		Quantity shipped	Total weight
FRU description	FRU part number	kg	lbs	Quantity shipped	kg	lb
Enclosure FRU	01LJ112	42.5	93.696	1	42.500	93.696
Rail kit	01LJ114	9.231	20.351	1	9.231	20.351
Front fascia (4U front cover)	01LJ116	0.303	0.668	1	0.303	0.668
Display panel assembly	01LJ118	0.020	0.044	1	0.020	0.044
PSU fascia (1U cover)	01LJ120	0.010	0.022	1	0.010	0.022
Power supply unit (PSU)	01LJ122	3.335	7.352	2	6.670	14.705
Secondary expansion module	01LJ124	0.826	1.821	2	1.652	3.642
Fan module	01LJ126	0.890	1.962	4	3.560	7.848
Expansion canister	01LJ128	1.588	3.501	2	3.176	7.002
Cable management arm (lower and upper arms)	01LJ130	1.373	3.027	1	1.373	3.027
Top cover	01LJ132	3.720	8.201	1	3.720	8.201
Fan interface board	01LJ134	0.118	0.260	1	0.236	0.260

Weight of expansion enclosure SAS drives

The SAS drives are shipped in a separate package from the 2145-92F expansion enclosure. The enclosure can support up to 92 SAS drives; however, the quantity varies depending on the number of drives ordered.

Table 2 summarizes the weight of the SAS drives that are supported in the 2145-92F expansion enclosure. SAN Volume Controller 2145-DH8 and SAN Volume Controller 2145-SV1 systems that are running software level 7.8 support the expansion enclosure.

Table 2. Weight of expansion enclosure SAS drives
FRU description	FRU part number	Feature code	Approximate weight per unit
FRU description	FRU part number	Feature code	kg	lb
600 GB 15 K 2.5-inch hard disk drive	01LJ061	AH70	0.304	0.670
1.2 TB 10 K 2.5-inch hard disk drive	01LJ062	AH73	0.304	0.670
1.8 TB 10 K 2.5-inch hard disk drive	01LJ063	AH74	0.304	0.670
6 TB 7.2 K 3.5-inch Near-Line SAS hard disk drive	01LJ064	AH77	0.876	1.931
8 TB 7.2 K 3.5-inch Near-Line SAS hard disk drive	01LJ065	AH78	0.876	1.931
10 TB 7.2 K 3.5-inch Near-Line SAS hard disk drive	01LJ066	AH79	0.876	1.931
1.6 TB 2.5-inch tier 0 flash drive	01LJ073	AH7D	0.224	0.494
3.2 TB 2.5-inch tier 0 flash drive	01LJ074	AH7E	0.224	0.494
1.92 TB 2.5-inch tier 1 flash drive	01LJ075	AH7J	0.224	0.494
3.84 TB 2.5-inch tier 1 flash drive	01LJ076	AH7K	0.224	0.494
7.68 TB 2.5-inch tier 1 flash drive	01LJ077	AH7L	0.224	0.494
15.36 TB 2.5-inch tier 1 flash drive	01LJ078	AH7M	0.224	0.494

Weight increases as FRUs are installed

The 2145-92F expansion enclosure supports up to 92 SAS drives. As Table 3 shows, substantial weight is added to the enclosure when all drives are installed.

Table 3. Weight of an enclosure with 92 SAS drives
FRU description	Approximate weigh per unit		Maximum supported	Approximate extra weight
FRU description	kg	lb	Maximum supported	kg	lb
2.5-inch tier 0 flash drive 2.5-inch tier 1 flash drive	0.224	0.494	92	20.608	45.433
2.5-inch hard disk drive	0.304	0.670	92	27.968	61.659
3.5-inch Near-Line SAS hard disk drive	0.876	1.931	92	80.592	177.675

As you install or replace FRUs, the overall weight of the expansion enclosure increases. For example, Table 4 shows the weight progression as different combinations of FRUs are installed.

Table 4. Enclosure weight as FRUs are installed
Enclosure assembly		Approximate weight
FRUs installed	FRUs not installed	kg	lb
Enclosure (01LJ112)	Secondary expansion modules Fascia (1U and 4U) PSUs Expansion canisters Fan modules Fan interface board Display assembly Drives Cover	42.5	93.7
Enclosure (01LJ112) Secondary expansion modules	Fascia (1U and 4U) PSUs Expansion canisters Fan modules Fan interface board Display assembly Drives Cover	44.3	97.7
Enclosure (01LJ112) Secondary expansion modules Fascia (1U and 4U) PSUs Expansion canisters Fan modules Fan interface board Display assembly	Drives Cover	58	127.9
Note: The following FRUs are installed when the enclosure is initially shipped. Enclosure (01LJ112) Secondary expansion modules PSUs Expansion canisters Fan modules Fan interface board Display assembly Cover	Fascia (1U and 4U) Drives	61.5	135.4
Enclosure (01LJ112) Secondary expansion modules Fascia (1U and 4U) PSUs Expansion canisters Fan modules Fan interface boards 92 2.5-inch tier 1 flash drives	Cover	78.6	173.3
Enclosure (01LJ112) Secondary expansion modules Fascia PSUs Expansion canisters Fan modules Fan interface board 92 2.5-inch hard disk drives	Cover	86	189.6
Enclosure (01LJ112) Secondary expansion modules Fascia PSUs Expansion canisters Fan modules Fan interface board 92 3.5-inch Near-Line SAS hard disk drives	Cover	138.6	305.6

Conversely, the overall weight of the expansion enclosure is reduced as you remove parts. However, even with parts removed, the 2145-92F expansion enclosure is heavy. Depending on the number of parts that remain, you might need four persons or a mechanical lift to support the weight of the expansion enclosure.