Cabletron Systems 2H253-25R manual Attaching the Strain-Relief Bracket

Installing the Device

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.

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

CAUTION unit.

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.

Strain-Relief

Bracket Screws

Strain-Relief

Bracket

23	21	19	17	15	13	11	9	7
24	22	20	18	16	14	12	10	8

5 6

3 4

	COM	25R-2H253
	CPU
	PWR
	SPD-DPX
1	TX-RX
2	MODE
	LED
	SWITCH WORKGROUP ETHERNET FAST

2762-03

Figure 3-2 Attaching the Strain-Relief Bracket

Installation 3-5