User's Manual

Walgreens Installation Guide
G-1-2002-2B
Walgreens Installation Guide 2B.doc
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5/27/2008 Page: 2-16
Determine the Primary MEU Installation Location:
The MEU location marked on the store floor plan is only a suggested location. The actual
location is determined during the Pre-installation Store Survey by reviewing the following
criteria:
1) The MEU power source.
The power source for the MEU must be an open
uninterrupted 24-hour power source.
It can not be plugged into a cube tap, power
strip or a UPS used by a LAN cabinet or computer. The MEU must be able to reach
this location with the 110 foot CMU/MEU power cable. The following are the approved
locations for the MEU power.
 The first choice is an open outlet in the ceiling near the security screen that is
located by the front entrance of the store. Use this location if it is available.
It is a
good idea to check this location for power as the first step in the Pre-
installation survey.
 The second choice is the output power port on the back of the CMU.
o Determine if there are any issues that would prevent pulling the CMU/MEU
power cable to this location.
o The CMU/MEU power cable must use the same entry method into the Catalina
or Communications cabinet as the network cables.
o In a Catalina cabinet the 110 foot power cable must exit out of the same knock
out hole as the CMU power cable and network patch cable.
o A second power supply will not be required if the MEU gets power from the
output power port on the CMU.
 The last option is by the Communications area in the store. The store will normally
have either a tech room or a phone block located in the stock room. This area
normally has open uninterrupted 24-hour power outlets. Only use this area if the
first two options are not available.
This location must be approved by the Help
Desk prior to beginning the installation.
Note:
Tech Rooms are not present in every store. Many stores instead of having a
Tech Room will have the main communication cabinet located in the Pharmacy
and the phone block located in the stock room.
Do not go into the Pharmacy
unless the CMU will be installed in the Pharmacy. Follow the procedures
of Pharmacy access defined in the Walgreens Environment section in
chapter 1.
2) Determine the location and the mounting method for the MEU. The MEU over the
sales floor may be either mounted on a post in the ceiling or suspended from the roof
girders in the ceiling.
The preferred mounting method is a post mount. Normally
the posts are located near the center of the sales floor, typically at aisle 4/5 or 8/9 and
towards the back half of store.