Cisco ONS 15454 DWDM Manual

1-101
Cisco ONS 15454 DWDM Troubleshooting Guide, R7.0.1
78-17742-02
Chapter 1 General Troubleshooting
1.13.2 VOA Failure Scenarios
Figure 1-37 Optical Drop Power Less than 6 dB Lower than Expected
Corrective Action for Scenario C (Optical Power Level of Incoming Signal Lower than Expected)
Scenario C1 - LOS-P Alarm
Step 1 Verify the alarm validity:
a. Identify the DWDM nodes where the alarmed card is located.
b. Double-click the 32DMX-O card.
c. Click Alarms.
d. Verify that a LOS-P alarm is present on the CHAN-TX port.
e. Click the Synchronize button at the bottom left of the window.
f. If the alarm is correctly reported, move to Step 2. If not, close the CTC application, delete the CTC
cache, and open the CTC connection again.
Note If the alarm inconsistency persists, log into the Technical Support Website at
http://www.cisco.com/techsupport for more information or call Cisco TAC (1 800 553-2447) in
order to report a service-affecting problem.

Cisco ONS 15454 DWDM Specifications

General

Chassis Type	DWDM
Form Factor	Rack-mountable
Slots	17
Storage Temperature	-40 to 158°F (-40 to 70°C)
Relative Humidity	5% to 95% non-condensing
Power Supply	AC or DC
Cooling	Internal fans
Operating Temperature	23 to 104°F (-5 to 40°C)
Altitude	0 to 6500 ft (0 to 1981 m)
Safety Compliance	EN 60950-1
EMI Compliance	FCC Part 15