Troubleshooting Access Type TDM Channel Modules
The 4TCA-LS+1G3-V provides twelve LEDs on the faceplate:
• “On” to indicate the power supply status
• “Err” to indicate the operation status of the module
• “C1/T”, “C2/T”, “C3/T”, “C4/T”, “C1/R”, “C2/R”, C3/R”, C4/R”, N/T and “N/R” to indicate the interface status
This module has 4 client interfaces (C1 to C4). The LED status in Table 40 will refer to the transmit connector and receive connector of one client interface (Cx/T and Cx/R)
as an example for all client interfaces on the module.
LED-Status Potential Cause Solution for Troubleshooting
On Err Cx/R Cx/T N/R N/T
Red Off Off Off Off Off Module is broken. Return the module to ADVA Optical
Networking for repair.
Green Red blinking Off Off Off Off A temporary setting is
enabled on the module.
Manually disable
setting or reset module
in the frame.
If the condition continues once the module
has lost and regained power or all loops and
transmitters have been turned off, it should
be returned to ADVA Optical Networking for
repair.
Please note, the module should lose power
for at least 10 seconds to allow any and all
capacitance to dissipate.
Green Green Yellow Yellow Client loop is set. Disable the loop.
Table 40: LED Status of the 4TCA-LS+1G3-V
FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A 253
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