Troubleshooting Core Type TDM Channel Modules
4TCC-PCN-2G1U+2G5
This subsection will help you resolve issues that can be experienced on 4TCC-PCN-2G1U+2G5 modules.
It assumes that all measurements for the C1/R, C1/T, C2/R, C2/T, C3/R, C3/T, C4/R, C4/T, N/R West, N/R
East and N/T West, N/T East interfaces are within ADVA Optical Networking specifications and that you have
verified that the application wavelength is the same as the wavelength for the FSP 3000R7 module client
interfaces. If not, please 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
4TCC-PCN-2G1U+2G5 modules in a link are synchronized, the network link is up. The network
interface LEDs light up solid green or blink green depending on the configured transmission
mode: Multiplexer NEOnly, Multiplexer NW Only, Multiplexer NE & NW, or Regenerator 1-Way.
Note
Before you start with troubleshooting, be sure that the current firmware package is installed on
the 4TCC-PCN-2G1U+2G5 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”.
Note
The near-end and far-end modules must be configured in the same transmission mode to
guarantee proper function.
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 or not. 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 19 on p.98, 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 19 on p.98 based upon the states of the LEDs.
The 4TCC-PCN-2G1U-2G5 has eight LEDs on the faceplate:
• “P” to indicate the power supply status
• “Mod” to indicate the operation status of the module
• “C1”, “C2”, “C3”, “C4”, “NW” and “NE to indicate the interface status
This module has 4 client interfaces (C1 to C4). The LED status in Table 19 on p.98 refers to one client interface
(Cx) as an example for all client interfaces on the module.
FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A 97
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