Cabletron Systems SEH100TX-22, User Manual

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Chapter 4: Installation
4-2 SEH100TX User’s Guide
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.
4.2 TABLETOP 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.
Figure 4-1 Tabletop or Shelf Installation
Proceed to Section 4.4, Powering Up and Stacking the SEH.
!
CAUTION
In order to allow for proper cooling, there must be a two-inch
clearance on either side and the back of the unit.
C
A
B
1510_13
A = 15.24 cm (6 in)
B = 45.72 cm (18 in)
C = 53.34 cm (21 in)
D = 213.36 cm (7 ft)
PWR
MGMT
CLN
HubSTACK
100BASE-TX HUB
WITH
LANVIEW®
SEH
100TX-
22
22X 21X 20X 19X 18X 17X
11X 10X 9X 8X 7X 6X
16X 15X 14X 13X 12X
5X 4X 3X 2X 1X
E
1
E
2
RCV
LNK
RCV
LNK
22 21 20 19 18 17 16 15 14 13 12
11 10 9 8 7 6 5 4 3 2 1
EPIM 1
EPIM 2
D