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Installing the Device
Installation 3-5
Installation
Rack mounting the 2H253-25R involves the following:
• Attaching the strain-relief bracket
• Rack mounting the 2H253-25R (attaching the mounting brackets and fastening the device to the
rack)
Attaching the Strain-Relief Bracket
Attach the strain-relief bracket to the 2H253-25R as follows:
1. Locate the strain-relief bracket and four 8-32 x 5/16-inch pan-head screws in the rackmount kit.
2. Place the 2H253-25R upside down (as shown in Figure 3-2) on a clean flat surface. Then attach
the strain-relief bracket to the bottom of the 2H253-25R using the four 8-32 x 5/16-inch
pan-head screws.
Figure 3-2 Attaching the Strain-Relief Bracket
!
CAUTION
Do not attempt to attach the strain-relief bracket with screws other than the 8-32 x
5/16-inch screws included with the 2H253-25R. Use of longer screws may damage the
unit.
Strain-Relief
Bracket
Strain-Relief
Bracket Screws
2762-03
2H253-25R
COM
PWR
CPU
RESET
LED
MODE
RX-TX
DPX-SPD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
13
15
16
17
18
19
20
21
22
23
24
FAST ETHERNET WORKGROUP SWITCH