Types of loopback which we can apply them on The OTU boards to verify the board SDH services as the followingġ- Client –Side Out-loop : this loop is used to detect whether the Fiber line and Connectors on the line are normal as the FollowingĢ- Client –Side In-loop : The loop is used to detect whether the received Signals are properly processed inside the board as the followingģ- WDM –Side In-loop : this loop is used to detect whether the received Signals are properly processed inside the board as the followingĤ- WDM –Side out-loop : The loop is used to detect whether the Fiber line and Connectors on the line are normal as the followingī- OTN Tributary Board Loopback: An OTN tributary board we can do Inloop and Outloop to determine which Fault.
#MAKE A LOOPBACK CABLE SOFTWARE#
Software Loopback: Means configure the Loop on the NMSĪ- OTU Board Loopback: A loopback is used to determine whether the board is faulty. Hardware Loopback: Means an optical port connect the transmit end and receive end of the Port using a fiber and it must be performed onsite The Loopback means of troubleshooting for Equipment and used to determine whether the boards, Optical interface, Electrical interface, Cables, Connectors and Cross-Connection are faulty
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