Comtech EF Data CDM-425 Installation And Operation Manual page 283

Advanced satellite modem (18 kbps – 25 mbps)
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Encryption / Decryption Keys
A typical encryption or decryption key consists of a string of 32 characters, using any combination
of the numbers '0' through '9' and the letters 'a' through 'f' / 'A' through 'F'.
To program a key, enter the desired 32-character string in the appropriate key row, and then click
[Set]. Any previously programmed key may be overwritten in this manner. Alternately, click
[Clear] to reset a previously programmed entry to all zeroes, and then re-enter the new key string
as instructed here.
Up to eight keys may be programmed for each function; once set, you may then select a specified
Encryption Key for active use via the 'Configuration | Routing | Routes' page (Sect.
7.5.4.3.3.1).
The user must program all eight encryption and decryption keys before selecting
Random Key operation on the 'Configuration | Routing | Routes' page. Otherwise,
the modem will select any of the eight allotted keys, even if a key is currently
clear (set to all zeroes).
Ethernet-based Remote Product Management
CDM-425 Advanced Satellite Modem
7–59
Revision 0
MN-CDM-425

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