Installation Manual

Antenna Tuning Unit (ATU) Installation
50 750.001.003
Revised June 1999
© 1999 AXCESS
TM
Inc.
Required Materials
The following materials are necessary for successful installation:
• RG-58/U coaxial cable with 50-ohm impedance (nominal), solid
copper center conductor, 55% tinned copper braid or better,
100% foil shield coverage (for example, Belden 9310). The
length required for your installation will vary. The maximum
length recommended is 80 feet between the Reader and ATU
and 20 feet between the ATU and each antenna. AXCESS
cannot guarantee performance if these parameters are
exceeded.
• Four 3-piece crimp type male BNC connectors (for example,
Amphenol 31-320). Note: extras are recommended in case of
damage during crimping.
• Power drill and bits
• Four mounting screws
• Diagonal cutters
• Phillips and flathead screwdrivers
• Three blade rotary coaxial cable stripper
• BNC crimpers
• Multimeter
Prerequisite Tasks
It is assumed that the following task has already been completed.
 The Reader has been installed. If not, refer to the appropriate
section in this document and install the Reader before
continuing.