350-611-101-01
March 17, 1998
Revision
01
HLU-611
List
1
PairGain
Engineering - Plant Series
9
System Options Settings
The asterisks (*) in the following system settings descriptions indicate the
factory default settings. To return the HLU to the default settings, press the
SEL button for 6 seconds. The Margin threshold and DSX blinking options
must be set from the RS-232 port. All other options can be set from either the
front panel or RS-232 port.
HLU-611 List 1 System Options
Mode
Selection
Description
EQL
EXT*
Replaces the internal equalizer with a 12 V
pk-pk
drive source for
an external equalizer.
0
Sets the equalizer to DSX-1 for 0 - 133 feet.
133
Sets the equalizer to DSX-1 for 133 - 266 feet.
266
Sets the equalizer to DSX-1 for 266 - 399 feet.
399
Sets the equalizer to DSX-1 for 399 - 533 feet.
533
Sets the equalizer to DSX-1 for 533 - 655 feet.
ZBTS
ON
Selects the Extended Superframe (ESF) frame ZBTSI mode.
OFF*
Deselects the ESF frame ZBSTI mode.
LPBK
DIS
Configures the HLU-
611
to ignore the 2 in 5 Smart-Jack
loopback command.
ENA*
Enables the HLU-
611
to respond to the 2 in 5 Smart-Jack
loopback command.
LBTO
NONE
Disables automatic time-out cancellation of all loopbacks.
20
Sets automatic cancellation of all loopbacks to 20 minutes
after initiation.
60*
Sets automatic cancellation of all loopbacks to 60 minutes
after initiation.
120
Sets automatic cancellation of all loopbacks to 120 minutes
after initiation.
