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Exos® 4U Enclosure Rackmount Guide
Part Number 83-00007769-10-01, D • December 2021
Complete installation prerequisites
The rackmount rails are designed to bear the maximum weight of the storage enclosure when it is properly mounted in a
standard rack cabinet. You can install multiple storage enclosures in a single rack cabinet.
CAUTION You must use only the supplied rail kit and related mounting hardware.
To complete installation prerequisites:
1. Prepare the host system for the installation by obtaining access to the following items:
a. A functioning host bus adapter
b. Known good cables for host connection that meet storage enclosure requirements
c. The provided right-angle power cords that meet power supply unit specifications
2. Familiarize yourself with system configuration requirements and the layout of storage enclosure modules.
3. Obtain the following:
a. An anti-static wrist or ankle strap for handling static-sensitive components
b. A static-protected environment for temporary storage of the storage enclosure and the drive modules
c. A T10 screwdriver, 6-in length, and #2 Phillips-head magnetic screwdrivers, 6- and 12-in length
d. A retractable tape measure
e. A mechanical lift with sufficient clearance and capable of safely lifting the storage enclosure without drive modules
4. Ensure the rack cabinet is suitable for use with the storage enclosure.
a. A rack cabinet capable of holding 4U form factors, leveled in all planes with respect to each other
b. A maximum depth of 43.35 inches (1101mm) from back of front post to maximum extremity, excluding cabling and door
closure considerations
c. A rack cabinet that causes a maximum back air pressure of 5 pascals (0.5mm water gauge)
d. Weight capacity for the total number of storage enclosures installed, using a maximum of 310 lb (140kg) per storage
enclosure
NOTE Allocate and maintain a 1.7m or 5.58 ft safe distance to mount or remove a storage enclosure into a rack.
5. Secure sufficient staff to assist with the installation. Minimum staff:
a. One qualified service technician for the complete installation procedure
b. One spotter to assist with the lift and to observe the installation from the rear of the rack cabinet
c. A total of two to four people to unpack the storage enclosure and move it onto the mechanical lift
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Summary of Contents for Seagate Exos 4U
- Page 1 Exos® 4U Enclosure Rackmount Guide Part Number 83-00007769-10-01, D • December 2021 Complete installation prerequisites The rackmount rails are designed to bear the maximum weight of the storage enclosure when it is properly mounted in a standard rack cabinet. You can install multiple storage enclosures in a single rack cabinet. CAUTION You must use only the supplied rail kit and related mounting hardware.
- Page 2 Install the rackmount rail kit The storage enclosure requires rackmount hardware for installation into a standard 1.2m rack and occupies four EIA units of rack space (17.78 cm or 7 inches) per unit. The rail kit contains a left and right rail. Product function and user safety hinge on their proper installation.
- Page 3 To separate the inner rails from the outer and mid rail sub-assemblies: 1. After removing each rail assembly from its packaging, orient the one with the L embossed on it to your left, the rail assembly with the R embossed on it to your right, and embossed arrows for both pointing up. 2.
- Page 4 Figure 4 Location of mid rail release switch lever 8. Rotate the mid rail release switch lever to release it, then slide the left mid rail back until fully retracted onto the outer rail. 9. Set aside the left outer rail subassembly near the left inner rail. 10.
- Page 5 To adjust the outer rails to the rack cabinet: 1. Facing the left side of the rack cabinet, measure the distance of the post-to-post depth between the inner side of the rear and front rack posts. Figure 5 Distance measurement of rack inside post-to-post depth 2.
- Page 6 5. Measure the rail distance from the inside of the front mount bracket to inside of the back mount bracket to determine if it matches the distance between rack posts. Figure 7 Measurement of rail from rear to front mount bracket 6.
- Page 7 11. Attach the CMA B bracket with the proper orientation to the right outer rail using four (4) M4 Panhead screws, tightening with a #2 Phillips-head screwdriver to a torque of 18 lbf-in (2.0 N-m). Figure 9 Alignment of CMA B bracket to rear outer rail bracket holes alignment and attachment Install the outer rails in the rack cabinet WARNING! If you do not properly install and securely fasten the rack rails according to this procedure, you risk serious personal injury and could damage the storage enclosure.
- Page 8 To install the outer rails in the rack cabinet: 1. Verify that you assembled the rack rails according to prior tasks, orienting it with embossed arrows pointing upward. 2. Complete the following actions to insert the right outer rail assembly as shown to attach it to the rear post on the right side of the rack cabinet: a.
- Page 9 b. Clip the front mount bracket spring onto the front rack post so that the outer sleeve, which mates to either a round or square mounting hole, snaps fully into place. c. Confirm that the mounting bracket fully seats in the mounting holes by verifying that the outer sleeve fully extends and is flush with the fixed inner pin.
- Page 10 b. (Optional) Insert a cage nut in the front rack post just below it in the allocated 4U space, then make sure the nut spring is fully engaged in the post hole. Reserve this cage nut for use during non-operating transport of the storage enclosure. Figure 12 Location for cage nut near top of allocated 4U space 5.
- Page 11 To attach the inner rails to the storage enclosure: 1. Examine the inner rails, locating the smooth inner edge of the rail, the flanged outer edge, and the rear top notch. Figure 13 Left and right inner rail edge details 2.
- Page 12 6. Repeat the process for the right inner rail, using the proper orientation. 7. Locate the CMA A bracket in the CMA shipping box, then orient it so you can see the part number etched on it. 8. Facing the rear of the storage enclosure, locate the two holes on the right side of the chassis, above the CMA shelf. 9.
- Page 13 Make your approach with the mechanical lift level, straight, and parallel to the rack cabinet. Any skew, warp, or tilt prevents the inner rails attached to the storage enclosure from properly engaging the outer rails in the rack cabinet. Required equipment Retractable tape measure Mechanical lift Storage enclosure with attached inner rails...
- Page 14 IMPORTANT Retention against the inner leaf spring is essential for proper rail sequencing and full engagement of the mid rail on the inner rail. Figure 18 Leaf spring latch engaged, extension of mid rail to fully forward and locked position c.
- Page 15 6. Complete the following actions to begin insertion of the storage enclosure into the rack cabinet: a. Facing the front of the enclosure, carefully exert even pressure on both sides of the storage enclosure front, inserting the storage enclosure until it locks into the service position with an audible click. b.
- Page 16 To install the CMA and crossbar: 1. Facing the rear of the rack cabinet, grasp the CMA bracket assembly so that arrows by embossed letters point upward and are visible to you, then fully extend the CMA bracket with the front end in your right hand. 2.
- Page 17 5. Complete the following actions to verify the CMA bracket installation: Figure 22 Proper installation of the CMA bracket assembly a. Verify the outer blue spring of the CMA bracket assembly securely clips to the CMA B bracket on the outer rail and that the inner blue spring securely clips to the CMA A bracket.
- Page 18 Seagate Technology LLC or its affiliates. Any use, derivation, disassembly, reverse engineering, dissemination, reproduction, or any attempt to modify, prepare derivative works, reproduce, distribute, disclose copyrighted material of Seagate Technology LLC, for any reason, in any manner, medium, or form, in whole or in...