ADTRAN Cable T1 ESF CSU ACE - Manual (Page 34)

Chapter 4. Operation
34 T1 ESF CSU Rackmount User Manual 61202066L1-1B
Keep Alive
When the transmit signal from the DTE is lost, an all Is signal is sent in its
place. This option selects whether the signal is sent
FRAMED
or
UNFRAMED
.
Network Loopbacks
When
ENABLED
, the CSU will respond to loopback codes received from
the network interface.
Receiver Sensitivity
Selects the desired network receiver sensitivity setting. The factory default
is NORMAL, which is adequate for most applications. The extended
setting should be used only in applications where the NORMAL setting
will not suffice.