TANDBERG 550MXP - Manual (Page 183)

Administrator Settings
173
Key 1-
4 The 64-bit keys can consist of a leading star (*) and 5 characters.
The 128-bit key can consist of a leading star (*) and 13 characters.
Start with a * and then the text. Example: 128 bit key: *secretkeyhome.
Encryption using Hex numbers The 64-bit keys can consist of 10 hexadecimal digits. Example:
“
de01ad4dbe
”
. The 128-bit key can consist of 26 hex numbers.