Chapter 2 Installing the Cisco ONS 15540 ESPx
Using Y-Cable
2-60
Cisco ONS 15540 ESPx Hardware Installation Guide
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Using Y-Cable
Using an external 2:1 combiner (the y-cable), connections between the client
equipment and the transponder interfaces are duplicated. This means each input
and output client signal is connected to two transponder interfaces, one active and
one standby. During any interval, one of the transmitters at the client interface is
turned on and is generating the required optical signal, and the second transmitter
is off.
Refer to the
Cisco ONS 15540 ESPx Planning Guide
for y-cable configuration
guidelines.
Attaching the Y-Cable
To attach the y-cable to the transponder modules, follow these steps:
Step 1
Read the configuration guidelines in the
Cisco ONS 15540 ESPx Configuration
Guide
and the
Cisco ONS 15540 ESPx Command Reference
.
Step 2
Choose the ports you will use.
Step 3
Lift the shutters on the two intended ports and attach one end of the two-sided
cable to each of the ports.
Step 4
Attach the other end to the client equipment if not already attached.