Cabletron Systems pmn manual 2 2M46-04R and 2M46-04RDC Rackmount Installation

Chapter 3: Installation

3.3.22M46-04R and 2M46-04RDC Rackmount Installation

WARNING

Before installing the 2M46-04R/04RDC into a rack, ensure that the rack supports the device(s) without compromising the stability of the rack. Otherwise, personal injury and/or equipment damage may result.

Guidelines for the Rackmount Installation

The installation site must be within reach of the network cabling and meet the requirements listed below:

•An appropriate grounded power receptacle must be located within seven feet of the device. (This requirement does not apply to the 2M46-04RDC.)

•Maintain a temperature of between 5°C (41°F) and 40°C (104°F) at the installation site with fluctuations of less than 10°C (18°F) per hour.

To ensure proper ventilation and prevent overheating, leave a

!minimum clearance space of 5.1 cm (2.0 in) at the left, right,

CAUTION and rear of the 2M46-04R.

To install the 2M46-04R/04RDC in a 19-inch rack, Cabletron Systems includes an accessory kit containing the rackmount brackets, mounting screws, and a strain-relief bracket for cable management.

Attaching the Strain-Relief Bracket

Attach the strain-relief bracket to the front of the 2M46-04R/04RDC as follows:

1.Locate the strain-relief bracket and four 8-32 x 3/8-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 3/8-inch screws included with the

CAUTION 2M46-04R/04RDC. Use of longer screws may damage the unit.

2.Place the 2M46-04R/04RDC upside down (as shown in Figure 3-2) on a clean flat surface. Then attach the strain-relief bracket to the bottom of the 2M46-04R/04RDC using the four 8-32 x 3/8-inch pan-head screws.

3-4 2M46-04R/2M46-04RDC User’s Guide