Nx56/64 card – ADTRAN DUAL Nx56/64 1200142L1# User Manual
Page 37
Appendix A. System Messages
61200054L2-1
Nx56/64 (EIA-530) Option Module User Manual
A-3
Nx56/64 Card
Loop-Up
Data is looped back at both the network interface and the
DTE interface of the card
Remote Loop Up
Sending a V.54 pattern in an attempt to loop-up a remote
device
511 Pattern On
Sending a 511 pattern towards the network interface
Loop Down
Data is no longer looped back at the network interface or
the DTE interface
511 Pattern Off
No longer sending a 511 pattern towards the network
interface
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