How Do I Ensure that the Transmit Power and Receive Power of an Optical Module Are Within Normal Ranges?

Latest reply: May 10, 2017 14:00:27 997 1 0 0
How Do I Ensure that the Transmit Power and Receive Power of an Optical Module Are Within Normal Ranges?
  • x
  • convention:

Created May 10, 2017 14:00:27 Helpful(0) Helpful(0)

An optical module's diagnostic information includes the current transmit and receive power values of the optical module, as well as the maximum and minimum power values.

  • If RxPower Low is displayed, the received signal strength on the local end is too low. When this occurs, the local interface cannot go Up or may drop packets. Check whether the distance between the local and remote ends exceeds the maximum transmission distance of the remote optical module, whether the optical modules or fibers are damaged, whether the optical modules and fibers mismatch (for example, multimode fibers are used on a single-module optical module), whether joints of optical fibers are reliably welded, and whether the transmit power of the remote optical module is too low.
  • If RxPower High is displayed, the received signal strength is too high. The possible reason is that the distance between the local and remote ends is short but a long-distance optical module is used on the remote end. In this case, install an optical attenuator to reduce the receiver power on the local optical module.
  • If TxPower Low is displayed, the strength of signals sent from the local optical module is low. In this case, the receive power on the remote end is low, causing a failure of the remote interface to go Up or drop of packets on the interface. The low transmit power may be caused by contamination of the optical module. For example, dust is accumulated on bores of the optical module. Use a cotton swab to clean the bores, and then check whether the transmit power of the optical module is in normal range. If not, contact Huawei post-sales service engineers.
  • If TxPower High is displayed, the strength of signals sent from the local optical module is too high. This may cause a high receive power on the remote optical module. If the high receive power lasts for a long time, the remote optical module will be burned. The local optical module may have failed. Replace the optical module.

To ensure normal communication between two optical interfaces, check for transmit and receive power alarms after the two interfaces are connected using optical modules and optical fibers. Ensure that the transmit and receive power values of the two optical modules are in the normal ranges. Otherwise, traffic forwarding on the optical interfaces may be abnormal or the optical modules may be damaged.

  • x
  • convention:

Reply

Reply
You need to log in to reply to the post Login | Register

Notice: To protect the legitimate rights and interests of you, the community, and third parties, do not release content that may bring legal risks to all parties, including but are not limited to the following:
  • Politically sensitive content
  • Content concerning pornography, gambling, and drug abuse
  • Content that may disclose or infringe upon others ' commercial secrets, intellectual properties, including trade marks, copyrights, and patents, and personal privacy
Do not share your account and password with others. All operations performed using your account will be regarded as your own actions and all consequences arising therefrom will be borne by you. For details, see " Privacy."
If the attachment button is not available, update the Adobe Flash Player to the latest version!

Login and enjoy all the member benefits

Login
Fast reply Scroll to top