HP 5500 Ei 5500 Si Switch Series Installation Guide

 6  
Installing the switch in a 19-inch rack 
You can install the switch in a 19-inch standard rack by using  different mounting positions. Table 6 
show
s the installation methods available  for the switches of different depths. 
Table 6  Installation methods 
Chassis Depth  Use front 
mounting 
brackets 
onl
y
Use front mounting 
brackets and a rack 
shelf Use front and 
rear mounting 
brackets 
A5500-24G EI (2 slots) 
A5500-24G EI TAA (2 slots) 
A5500-24G SI (2 slots) 
A5500-48G EI (2 slots)...

 7  
Mounting brackets 
Figure 2  Front mounting bracket 
 
(1) Hole for attaching to a rack (by using an M6 screw)
(2) Hole for attaching to the switch chassis  
Figure 3  Rear mounting bracket 
 
(1) Hole for attaching to a rack (by using an M6 screw)  
  NOTE: 
The M6 screws for fixing the brackets to a rack are user supplied. 
 
Table 7 shows the mounting bracket shipme nt for different switch models.  

 8  
Table 7  Mounting bracket kit shipped with th e A5500 EI and A5500 SI switches 
Chassis Front  mountin
g brackets Rear mounting brackets
A5500-24G EI (2 slots) 
A5500-24G EI TAA (2 slots) 
A5500-48G EI (2 slots) 
A5500-48G EI TAA (2 slots) 
A5500-24G SI (2 slots) 
A5500-48G SI (2 slots) One pair  N/A 
A5500-24G-SFP EI (2 slots) 
A5500-24G-SFP EI TAA (2 slots) 
One pair 
One pair 
A5500-24G-PoE+ EI (2 slots) 
A5500-24G-PoE+ EI TAA (2 slots) 
A5500-48G-PoE+ EI (2 slots) 
A5500-48G-PoE+ EI TAA (2...

 9  
Figure 4  Attaching the front mounting  brackets to the chassis 
 
(1) Front panel of the switch  (2) Front mounting bracket 
(3) Screw  
6. Install cage nuts (user-supplied) in th e mounting holes in the rack posts.  
7. One person holds the switch chassis and aligns th e oval holes in the brackets with the mounting 
holes in the rack posts, and the  other person fixes the mounting  brackets with M6 screws (user-
supplied) to the rack, as shown in  Figure 5. 
Figure 5  Attaching th

e front...

 10  
 
Rack-mounting by using front mounting brackets and a rack 
shelf 
This installation method is available for all A5500 EI and A5500 SI switches. 
To mount a switch in a 19-inch rack by using  the front mounting brackets and a rack shelf: 
1. Wear an ESD-preventive wrist strap and make sure  it makes good skin contact and is properly 
grounded.  
2.  Check that the rack is properly grounded and can  support the weight of the switch chassis and all 
its accessories. 
3.  Fix the rack shelf...

 11  
6.
 
Fix the load-bearing screws in one of the re ar mounting positions (see callout 2 in Figure 6 ) as 
needed.  
The A
5500-24G-SFP EI (2 slots) and A5500-24G-SFP EI TAA (2 slots) switches have only two of the 
rear mounting positions.  
Figure 6  Attaching the front mounting brackets and  load-bearing screws to the switch chassis 
  
(1) Load-bearing screw  (2) Rear mounting positions 
(3) Front panel (4) Front mounting bracket
(5) Screw for fixing the front mounting brackets to the switch...

 12  
8.
 
Fix the rear mounting brackets to the rear post s with M6 screws (user supplied), as shown in  Figure 
7.  
Figure 7  Attaching th
e rear mounting brackets to a rack 
 
(1) Rear square-holed post  (2) Rear mounting bracket   

 13  
9.
 
One person supports the chassis bottom with one ha nd, holds the front part of the chassis with the 
other hand, and pushes the chassis into the rack gently.  
Make sure that the load-bearing screws closely co ntact with the upper edges of the rear mounting 
brackets, as shown in  Figure 8. 
Figure 8  Mounting the 

switch in the rack 
 
(1) Rear panel  (2) Rear square-holed post 
(3) Load-bearing screw(4) Rear mounting bracket  

 14  
10.
 
The other person aligns the oval holes in the front  brackets with the mounting holes in the front rack 
posts, and fixes the front mounting brackets with M6  screws (user supplied) to the front rack posts, 
as shown in  Figure 9.  
Make sure that front and r
 ear mounting brackets have  securely fixed the switch in the rack. 
Figure 9  Attaching the front brackets to the rack 
12
3
4
5
6
 
(1) Load-bearing screw (2) Rear mounting bracket 
(3) Front panel (4) Screw used to fix front mounting...

 15  
Mounting the switch on a workbench 
 
  IMPORTANT: 
•
  Ensure good ventilation and 10 cm (3.9 in) of clearance around the chassis for heat dissipation.  
 
To mount the switch on a workbench: 
1. Check that the workbench is sturdy and properly grounded.  
2. Place the switch bottom up, and clean the round ho les in the chassis bottom with a dry cloth.  
3. Attach the rubber feet to the four roun d holes in the bottom of the chassis.  
4. Place the switch upside up on the workbench. Avoid placing...