K2
SONET/SDH Application
Protected Channel/Source Node ID: Bits 1 through 4 of the K2
byte. Protected Channel is available with Linear switching mode
while Source Node ID is available with Ring switching mode. The
default setting is Null Channel for Linear switching mode and 0 for
Ring switching mode.
Protected Channel
Bits 1 to 4
(Linear mode)
0000
0 - Null
0001
1
0010
2
0011
3
0100
4
0101
5
0110
6
0111
7
1000
8
1001
9
1010
10
1011
11
1100
12
1101
13
1110
14
1111
15 - Extra Traffic
APS/Advanced Line OH TX/RX (SONET)
Source Node ID
(Ring mode)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SONET Tabs
239