Chapter 4: Installation

The SEH may be installed on a tabletop or shelf, or in a 19-inch rack, and configured as a standalone or stacked hub.

Go to Section 4.2 to install an SEH on a table or shelf. Go to Section 4.3 to install the SEH in a rack.

4.2TABLETOP OR SHELF INSTALLATION

This section provides guidelines for installation on a tabletop or shelf.

Tabletop and shelf installations must be within reach of the network cabling and meet the requirements listed below:

In a shelf installation, the shelf must be able to support 30 pounds of static weight for each device in the stack.

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 per hour.

The SEH must be located within seven feet of its power source and with an unrestricted free surface area as shown in Figure 4-1.

In order to allow for proper cooling, there must be a two-inch

!clearance on either side and the back of the unit.

CAUTION

B

C

HubSTACK 100BASE-TX HUB WITH LANVIEW® SEH100TX-22

EPIM 2

A

 

RCV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LNK

 

 

 

 

 

 

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22 21 20 19 18 17 16 15 14 13 12

2

22X

21X

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15X

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13X

12X

PWR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MGMT

RCV

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

CLN

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11 10 9 8 7

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EPIM 1

A = 15.24 cm (6 in) B = 45.72 cm (18 in) C = 53.34 cm (21 in) D = 213.36 cm (7 ft)

D

1510_13

Figure 4-1 Tabletop or Shelf Installation

Proceed to Section 4.4, Powering Up and Stacking the SEH.

4-2

SEH100TX User’s Guide

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Image 26
Cabletron Systems manual Tabletop or Shelf Installation, HubSTACK 100BASE-TX HUB with Lanview SEH100TX-22