Chromatic Dispersion - Cisco NCS1004 Manual

Chromatic Dispersion

OTU TTI Expected
FEC mode
AINS Soak
AINS Timer
AINS remaining time
Chromatic Dispersion
You can configure chromatic dispersion on optics controllers. When you configure the maximum and minimum
values for chromatic dispersion for any data rate, ensure the minimum difference between the configured
values is equal to or greater than 1500 ps/nm.
The following table lists the default CD search range.
Data Rate
200G to 500G
600G
400G for 400G CP2 DCO
200G to 400G
Note The cd-min and cd-max values must be set for BPS values that are greater than 4 in the 1.2T card.
The following is a sample where chromatic dispersion is configured on the optics controller.
RP/0/RP0/CPU0:ios#configure
Mon Aug 19 19:31:42.115 UTC
RP/0/RP0/CPU0:ios(config)#controller
RP/0/RP0/CPU0:ios(config-Optics)#cd-max 4000
RP/0/RP0/CPU0:ios(config-Optics)#cd-min -1000
RP/0/RP0/CPU0:ios(config-Optics)#commit
Mon Aug 19 19:35:24.697 UTC
RP/0/RP0/CPU0:ios(config-Optics)#exit
RP/0/RP0/CPU0:ios(config)#exit
RP/0/RP0/CPU0:ios#show run controller optics 0/1/0/*
Mon Aug 19 19:57:41.859 UTC
controller Optics0/1/0/0
transmit-power -15
dwdm-carrier 50GHz-grid itu-ch 55
Configuring Controllers
42
OPERATOR SPECIFIC ASCII
OPERATOR SPECIFIC HEX
OPERATOR SPECIFIC ASCII
OPERATOR SPECIFIC HEX
BPS
BPS < = 3
3 < BPS <= 4
4 < BPS <=5
BPS=5.2578125
BPS=4
3 < BPS <= 6
: 1234
:
: 31323334000000000000000000000000
: 00000000000000000000000000000000
: 5678
:
: 35363738000000000000000000000000
: 00000000000000000000000000000000
: Soft-Decision 27
: None
: 0h, 0m
: 0 seconds
Card Support
1.2T, 1.2TL
1.2T, 1.2TL
1.2T
1.2T
OTN-XP
2-QDD-C
optics 0/1/0/1
Configuring Controllers
Default CD Search Range
-10,000 to 100,000 ps/nm
-10,000 to 80,000 ps/nm
-5,000 to 20,000 ps/nm
-2000 to 2,000 ps/nm
-24,000 to 24,000 ps/nm
-350000 to +350000
ps/nm