Channels - Brother HL-6050DW - B/W Laser Printer Network User's Manual

Network Key
There are some rules for each security method:
Open System/Shared Key with WEP
Enter the WEP key that will be used to access your network. This
key is a 64-bit or 128-bit value that must be entered in an ASCII or
HEXADECIMAL format.
64 (40) bit ASCII:
64 (40) bit Hexadecimal:
128 (104) bit ASCII: Uses 13 text characters.
128 (104) bit Hexadecimal:

Channels

Wireless Ethernet networks use Channels. There are up to 13
channels that can be used. However, in many countries the number
of channels available are restricted.
Uses 5 text characters.
e.g. "Hello" (this is case sensitive).
Uses 10 digits of hexadecimal data.
e.g. "71f2234aba"
e.g. "Wirelesscomms"
(this is case sensitive).
Uses 26 digits of hexadecimal data
e.g. "71f2234ab56cd709e5412aa3ba"
APPENDIX B - 4