Network Router User Manual

4-11
Cisco ONS 15530 Configuration Guide and Command Reference
78-14227-01, Cisco IOS Release 12.1(10)EV2
Chapter 4 Configuring ESCON Signal Aggregation
About Cross Connections
About Cross Connections
The client signal follows a path of interface optical cross connections through the Cisco ONS 15530.
Figure 4-2 shows an example of cross connections. Knowing the path of a signal through the shelf helps
with system management and troubleshooting.
Figure 4-2 Optical Cross Connection Example
Configuring Cross Connections
The aggregated signal from the ESCON multiplexing line cards passes through the switch fabric to the
10-Gbps ITU trunk card or the 10-GE uplink card. To establish a cross connection through the switch
fabric, perform the following steps, beginning in global configuration mode:
10-port ESCON card
ITU trunk card
ITU trunk card
CPU and
switch
module
OADM
modules
West
East
Optical
cross connect
Active signal
Standby
signal
10-GE ITU
transceiver
2.5 -Gbps
aggregated
signal
SRC
LRCLRC
LRC
79304
Electrical backplane
connection
10-Gbps
10-Gbps
Command Purpose
Step 1
Switch(config)# connect interface1
interface2
Creates a cross connection between two interfaces through the
switch fabric.