Revision 01
Section 350-231-172
HLU-231 List 7B
9
ESAL
17
Closes the Alarm relay contacts and flashes the red Status
LED when 17 ES (17 HDSL CRC errors on either HDSL
loop or a total of 17 BPVs) occur within a 24-hour period.
170
Closes the Alarm relay contacts and flashes the red Status
LED when 170 ES (170 HDSL CRC errors on either HDSL
loop or a total of 170 BPVs) occur within a 24-hour period.
NONE*
Prevents generation of an alarm due to excessive Errored
Seconds.
SPLB
GNLB*
Configures the HiGain system to respond to the generic
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.
200V
Sets the HDSL line powering voltage to 200V for all appli-
cations with and without doublers.
DS1
B8ZS
Places both the HLU and HRU into their B8ZS modes.
AMI*
Places both the HLU and HRU into their AMI modes.
AUTO
If the HLU detects the B8ZS pattern in the incoming T1 bit
streams, it enters B8ZS. If not, it enters AMI mode.
MARG
0 to 15 dB
The Margin Alarm Threshold determines the minimum
allowable margin below which an alarm will occur.
4*
Default value.
HLU-231 List B System Options (Continued)
Mode
Selection
Description
Summary of Contents for 150-1111-72
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