0 (0
22"2#3)2
0322
@#""2 22"/2
"#"###322"#
22"2#"""22+
7
2"" $//=$(%>#"
22+7)2"" (
"22#""+2 2
""3#" 6
?22+7"322#"#" 2
$ 22"2"+2
2
6.2.3 Multiplexed channels
2"#"72"#" 32)"""#"7
2"2#" 0"2322"6
• 2 23" 2"#
2" #"" &
• 2 22#2"23""
2
1