Cisco ONS 15454 Troubleshooting Manual page 192

1.13 Power Supply Problems
Table 1-6
Card
15454_MRC_12
ONS-SI-622-I1-MM=
15454_MRC_12
ONS-SC-Z3-1470 through
ONS-SC-Z3-1610
15454_MRC_12
ONS-SE-Z1=
OC192SR1/STM64IO Short Reach
(ONS-XC-10G-S1)
OC192/STM64 Any Reach
(ONS-XC-10G-S1)
OC192/STM64 Any Reach
(ONS-XC-10G-I2)
OC192/STM64 Any Reach
(ONS-XC-10G-L2)
1.13 Power Supply Problems
Symptom
to the default date and time.
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Cisco ONS 15454 Troubleshooting Guide, R8.5
1-148
Optical Card Transmit and Receive Levels (continued)
Loss of power or low voltage, resulting in a loss of traffic and causing the LCD clock to reset
Loss of power or low voltage.
Possible Cause
Improperly connected power supply.
Possible Cause
The ONS 15454 requires a constant source of DC power to properly function.
Recommended Action
Input power is –48 VDC. Power requirements range from –42 VDC to –57 VDC. A newly installed
ONS 15454 that is not properly connected to its power supply does not operate. Power problems can
be confined to a specific ONS 15454 or affect several pieces of equipment on the site. A loss of
power or low voltage can result in a loss of traffic and causes the LCD clock on the ONS 15454 to
default to January 1, 1970, 00:04:15. To reset the clock, in node view click the
Provisioning > General > General tabs and change the Date and Time fields. Complete the
the Cause of Power Supply Problems" procedure on page
Transmit Receive
Minimum Maximum Minimum
–9 dBm –14 dBm –14 dBm
0 dBm 5 dBm –9 dBm
–5 dBm 0 dBm –10 dBm
0 dBm
–18 dBm
0 dBm
0 dBm
–6 dBm –1 dBm –11 dBm
–6 dBm –1 dBm –11 dBm
–1 dBm 2 dBm –14 dBm
0 dBm 4 dBm –24 dBm
1-149.
Chapter 1 General Troubleshooting
Maximum
–5 dBm
—
–23 dBm (OC-3)
–23 dBm
(OC-12)
0 dBm (OC-48)
–21 dBm (FC)
–22 dBm (GE)
–1 dBm
–1 dBm
2 dBm
–7dBm
"Isolate
November 2009