The Network List
146 Manpack Transceiver 2110 series Reference Manual
Privacy Mode
The Privacy Mode setting applies to Codan Selcall and ALE/CALM networks only. The
privacy mode is the method used to encrypt the data content of calls between stations. If
you select Registered or Group, you must enter an appropriate password into the
Privacy Password setting.
When you are setting up ALE/CALM networks, you should ensure that you set up
networks with the same privacy mode for communication. If there is a mismatch in
privacy modes, the receiving station uses the most suitable privacy mode out of the
networks through which the call may be received.
For example, if an initiating station starts an ALE call containing data through a network
that has its privacy mode set to Plain, and the receiving station determines that the
address is valid in networks with the privacy mode set to Group or Plain, then it selects
the network with the privacy mode set to Plain on which to establish the link. Any data
communications within this link use the basic 64 ASCII subset of characters.
However, if the receiving station determines that the address is available in a Group
network only, it selects the Group network on which to establish the link. Data
communications within this link are not successful because the initiating station does not
have the password for the Group privacy mode at the receiving station.
If an initiating station starts an ALE call (without data), the receiving station determines
in which networks the address is valid, selects a network with the lowest privacy mode
available, then establishes the link. Data communications may proceed as per the privacy
modes of the selected sending and receiving networks.
Privacy Password
The Privacy Password setting applies to Codan Selcall and ALE/CALM networks where
the privacy mode is set to Group or Registered. The privacy password is the password
that enables you to use the privacy mode mentioned above. It can be up to 15 characters
long.
Privacy mode... Is used for...
Registered encrypting Phone calls that you make when you have registered
with a network that encrypts telephone numbers (you are
provided with a password that you must enter into the Privacy
Password setting)
Group encrypting data in calls between two stations (you agree upon a
password to enter into the Privacy Password setting)
None calls made under a Codan protocol, which uses special
formatting
Plain (lowest mode)
(MIL-STD-188-141B
ALE option,
2110 only)
AMD messages in ALE calls (basic 64 ASCII subset A to Z,
0 to 9, space ! " # $ % & ' ( ) * + , - . / : ; < = > ? @
[ \ ] ^)
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