VeEX MPA, User Manual

Page: 416 / 842

SDH Tab
416
K1 Bits 5-8 (Linear Mode)
This function edits the last four bits of the K1 byte. When APS commands are
configured for Linear mode, these bits indicate the channel number. For example, Code
0 is the Null Channel, Codes 1-14 are the working channels, and Code 15 is an extra
traffic channel.
The following options are available:
Options Description
Null (#0) Protection channel requesting switch action.
The protection channel is supplied with a signal
containing valid Transport Overhead for
carriage of the APS bytes and BIP-8, Bit
pattern 0000.
#1 Channel 1 requests switch action, Bit pattern
0001
#2 Channel 2 requests switch action, Bit pattern
0010
#3 Channel 3 requests switch action, Bit pattern
0011
#4 Channel 4 requests switch action, Bit pattern
0100
#5 Channel 5 requests switch action, Bit pattern
0101
#6 Channel 6 requests switch action, Bit pattern
0110
#7 Channel 7 requests switch action, Bit pattern
0111
#8 Channel 8 requests switch action, Bit pattern
1000
#9 Channel 9 requests switch action, Bit pattern
1001
#10 Channel 10 requests switch action, Bit pattern
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