Troubleshooting Core Type WDM Channel Modules
2TWCC-PCN-2G7U
This subsection will help you resolve issues that can be experienced on the 2TWCC-PCN-2G7U module.
It assumes that all measurements for the client and network interface are within ADVA Optical Networking
specifications and that you have verified that the application wavelength is the same as the wavelength for the
client interface. If not, refer to “Finding Your Problem - Follow the Light” on p.53 in this document.
CAUTION
Follow all the instructions precisely. If you do not supply the specified attenuation on given
steps, you could destroy the module being tested. As soon as the near-end and the far-end
2TWCC-PCN-2G7U module in a link are synchronized the network link is up and the network
interface LED will light up solid green.
Note
Before you start with troubleshooting, ensure that the current firmware package is installed on
the 2TWCC-PCN-2G7U module. For details on updating module firmware, refer to “Updating the
NE Software Release” on p.617 and “Performing Other Software Update Actions” on p.628.
Note
Before you start with troubleshooting, ensure that the admin status on the affected module is
configured to “Maintenance”.
CAUTION
The use of pluggable transceivers other than those approved by ADVA Optical Networking will
result in loss of safety approval for the FSP 3000R7. Pluggable transceivers not approved by
ADVA Optical Networking will not function properly. Depending on the channel module type, Rx
and Tx of the affected interfaces may be disabled automatically. Only approved pluggable
transceivers will guarantee the behavior in conjunction with the channel module as specified.
Note
If your module has an LED status that is not represented in Table 28 on p.167, please contact
your ADVA Optical Networking Technical Services Representative.
The steps in this subsection may need to be completed on both sides of the link. Please follow the
troubleshooting steps in Table 28 on p.167 based upon the states of the LEDs.
The 2TWCC-PCN-2G7U has six LEDs on the faceplate:
• “P” to indicate the power supply status
• “Mod” to indicate the operation status of the module
• “C1” and “C2” to indicate the status of the client port 1 and client port 2
• “NW” and “NE” to indicate the status of the network port west and network port east
Note
When a module is removed, it should not be reinserted for at least 10 seconds to allow all power
on the module to dissipate.
166 FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A
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