EXFO IQS-8100 Series Transport Blazer for IQS-600 - Manual (Page 253)

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