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Installing the SEHI
SEHI User’s Guide 4-3
4.3.1 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:
• A single phase grounded power receptacle that meets the power supply
requirements listed in Chapter 3 under Power Supply Requirements
must be located within seven feet of the location.
• 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 site with fluctuations of less than 10°C (18°F) per hour.
For a tabletop or shelf installation, locate the SEHI within seven feet of its
power source and with an unrestricted free surface area as shown in
Figure 4-2.
Figure 4-2 Tabletop or Shelf Installation
If the installation requires that the SEHI is to be stacked, proceed to
Section 4.3.3. Otherwise, continue by connecting power as described in
Section 4.4.
!
CAUTION
In order to allow for proper cooling, there must be a two-inch
clearance on either side and the back of the unit.
21 IN.
6 IN.
18 IN.
0165203
7 FT
HubSTACK
10BASE-FL HUB
WITH
LANVIEW
®
SECURE
SEHI-22FL
E
1
RCV
LNK
12 11 10 9 8 7 6 5 4 3 2 1
PWR
CPU
CLN
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
1
2
3
4
56
7
8
9
10
1112
EPIM 1
RESET
COM
SEHI Book Page 3 Friday, April 19, 1996 10:46 AM