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Configuration Options
C-33160-A2-GB22-10 December 1996
Table C-1
(2 of 2)
DTE Interface Configuration Options
Extrn DLB: Disab
Next Enab Disab Prev
DTE Loopback on External Contact. Allows initiation and termination of the DTE Loopback (DLB) to be
controlled by an external contact (i.e., a PBX). See the
DSX-1 Port DTE Interface
section in Appendix D,
Pin Assignments
, for more information.
Enab – Causes the DSU/CSU to enter a DTE Loopback (if the current DSU/CSU state allows a DLB to be performed)
when the external contact is closed. If the DSU/CSU is already performing a DLB, closing the contact will have no effect.
Opening the contact takes the DSU/CSU out of DLB. The DSU/CSU will remain in loopback as long as the contact
remains closed.
Disab – Causes the state of the external contact to affect performance of a DLB.
Send Ones: Enab
Next Enab Disab Prev
Send All Ones on DTE T1 Failure. Specifies the action to take on the signal transmitted to the network when a valid signal
cannot be recovered from the DTE Drop/Insert T1 port (due to a LOS, continuous OOF, or AIS).
Enab – Sends all ones on the DS0 channels allocated to the network interface when a LOS condition, AIS condition, or
continuous OOF condition occurs on the DTE Drop/Insert T1 interface.
Disab – Passes the data received to the network interface channels unchanged.