PairGain 150-1504-14, Quick Installation Manual, Page: 11 / 20

Revision 01 Section 350- 431 - 114 -01
HLU- 431 List 1D Page 9
DS0 BLK The DS0 blocking option can only be set through the RS-232
maintenance port with a terminal. The 4-character HLU-319 List
2D front panel LED readout only displays the BLK indicates at least
one channel is blocked.
NONE* No channels are blocked.
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.
LPBK DIS Configures the HLU-200 to ignore the 2 in 5 Smart-Jack loopback
command.
ENA* Enables the HLU-200 to respond to the 2 in 5 Smart-Jack loopback
command.
SPLB GNLB* Configures the HiGain system to respond to the generic
(3/4/5/6 in 7) in-band loopback codes.
A1LB and
A2LB Configures the HiGain system to respond to the Teltrend
addressable repeater in-band loopback codes.
A3LB Configures the HiGain system to respond to the Wescom
addressable repeater in-band loopback codes.
A4LB Configures the HiGain system to respond to the Wescom Mod 1
addressable repeater in-band loopback codes.
A5LB Configures the HiGain system to respond to the Teltrend Mod 1
addressable repeater in-band loopback codes.
PWRF DIS Disables powering to the HRU and/or doubler over the HDSL pairs.
ENA* Enables powering to the HRU and/or doubler over the HDSL pairs.
DS1 B8ZS Places both the HLU and HRU into their B8ZS modes.
AMI* Places both the HLU and HRU into their AMI modes.
AUTO The HLU and HRU independently monitor their incoming T1 bit
streams for the B8ZS pattern. If either unit detects this pattern, it
enters its B8ZS mode.
HLU- 431 List 1D System Options (Cont.)
Mode Selection Description