User Manual Part 1

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Return Authorization (RA) numbers are not necessary unless you have been given one by
the Field Service Department. RA numbers are required for exchange units or if the Field Service
Department wants to be aware of a specific problem. If you have been given an RA number,
reference this number on the Factory Repair Request Form sent with the unit. The repair lab will
then contact the Field Service Department when the unit arrives.
For additional information on factory service, the Depot Service Department can be
contacted at the following E-mail address:
[e-mail]
1.9 REPLACEMENT PARTS
Replacement parts can be ordered directly from the Service Parts Department. To order parts
by phone, dial the toll-free number as described in Section 1.7. When ordering, please supply the
part number and quantity of each part ordered. E.F. Johnson dealers also need to give their
account numbers. If there is uncertainty about the part number, include the designator (C512, for
example) and the model number of the equipment the part is from.
You may also send your order by mail or FAX. The mailing address is as follows and the
FAX number is shown in Section 1.7.
E.F. Johnson Company
Service Parts Department
1440 Corporate Drive
Irving, TX 75038-2401
1.10 INTERNET HOME PAGE
The E.F. Johnson Company has a site on the World Wide Web that can be accessed for
information on the company about such things as products, systems, and regulations. The address
is http://www.efjohnson.com.
1.11 SECURE COMMUNICATION
1.11.1 GENERAL
SecureNet™ and Advanced Encryption Standard (AES) voice encryption are used to provide
secure communication with this transceiver. These protocols digitize the voice and then encrypt it
using an AES or Data Encryption Standard (DES) algorithm. The following types of encryption
are available on analog and digital channels:
Analog Conventional and SMARTNET/SmartZone Analog Channel
• DES