WebEML User Manual Core Facing PDH/SDH Tributary Loopback
951
63 Core Facing PDH/SDH Tributary
Loopback
63.1 Purpose
This chapter provides instructions to perform Core Facing PDH/SDH Tributary
Loopback for the 9500 MPR.
63.2 General
Core Facing PDH/SDH Tributary Loopback mode uses the signal from the CORE
switch matrix to be transmitted by the PDH/SDH transponder card and replaces the
signal received by the PDH/SDH transponder and sends the signal back to the
CORE switch matrix. See Figure 713 for a block diagram of Core Facing PDH
Tributary Loopback. See Figure 714 for a block diagram of Core Facing SDH
Tributary Loopback.
Core Facing PDH/SDH Tributary Loopback is an internal loopback.
Core Facing PDH/SDH Tributary Loopback is a drop-and-continue loopback.
Core Facing PDH/SDH Tributary Loopback can be activated on a per tributary basis
independent of the other PDH/SDH tributaries.
Core Facing PDH/SDH Tributary Loopback is supported on E1/DS1 tributaries
(P32E1DS1 card), DS3 tributaries (P2E3DS3 card), and STM-1/OC-3 tributaries
(SDHACC card).
Release 7.0.0 3DB 19286 ACAA Issue 01
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