PairGain HiGain SOLITAIRE H2TU-C-319 List 1, Техническая практика

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152-319-100-02, Revision 02 Provisioning
H2TU-C-319 List 1 and List 1C April 21, 2000 19
Table 5 describes the Standard Config screen options and lists their front-panel display codes. Table 6 on page 20
describes the PairGain Config screen options. Selections in bold typeface are the factory default settings.
Table 5. H2TU-C-319 List 1 and List 1C Standard Config Screen Options
System Settings
Screen Options
Front-panel
Display
Code
Selection Description
Loopback Timeout 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.
Loop Attenuation
Threshold LATT 0 through
40 dB Determines the maximum loop attenuation before an alarm is declared. The
loop attenuation threshold can only be set through the HiGain Solitaire HDSL2
maintenance screens. Zero disables the alarm.
35 dB Default value.
Margin Threshold MARG 0 to 15 dB Determines the minimum allowable margin below which a system alarm can
occur. The Margin Alarm Threshold can only be set through the HiGain
Solitaire HDSL2 maintenance screens. Zero disables the alarm.
4dB Default value.
DS1 Frame
Formatting FRMG AUTO Configures the HiGain Solitaire system to operate in an auto-framing (AUTO)
mode. It detects and locks to both SF or ESF DS1 frame patterns. Line and
path performance parameters are maintained and displayed. Unframed
payloads will cause the ES-P and SES-P counters to increment.
SF Configures the HiGain Solitaire system to search for the SF framing pattern at
its DS1 input.
ESF Configures the HiGain Solitaire system to search for the ESF framing pattern
at its DS1 input.
UNFR Configures the same as AUTO except unframed payloads do not cause the
ES-P and SES-P counters to increment.
DS1 Line Coding
(see “DS1 Line Code
Option” on page 21 )
DS1 AUTO The H2TU-C and H2TU-R monitor the incoming DS1 bit streams for the B8ZS
code. If the H2TU-R detects this code, the H2TU-C enters B8ZS output mode.
The H2TU-C reverts back to AMI output mode if no B8ZS codes are received
at the H2TU-R input for 5 seconds. Similarly, when the H2TU-C detects the
B8ZS code, the H2TU-R enters the B8ZS mode and returns to AMI mode if no
B8ZS code is received at the H2TU-C input for 5 seconds.
B8ZS Places both the H2TU-C and H2TU-R into their B8ZS modes.
AMI Places both the H2TU-C and H2TU-R into their AMI modes.
H2TU-C Equalization EQL 0 Sets the Equalizer to DSX-1 for 0 to 133 feet.
See “Equalization
(EQL) Option.” on
page 21
.
133 Sets the Equalizer to DSX-1 for 133 to 266 feet.
266 Sets the Equalizer to DSX-1 for 266 to 399 feet.
399 Sets the Equalizer to DSX-1 for 399 to 533 feet.
533 Sets the Equalizer to DSX-1 for 533 to 655 feet.
H2TU-R Line
Buildout RLBO 0 dB
-7.5 dB
-15 dB
Sets the DS1 receive level output toward the Customer Interface (CI). Line
buildout can only be set through the HiGain Solitaire HDSL2 maintenance
screens.
Alarm Pattern ALMP AIS Enables the HiGain Solitaire system to output an AIS payload at its DS1 ports
for LOSW and T1 LOS. See
Figure 24 on page 39 for LOS/AIS response
priorities.
LOS Enables the HiGain Solitaire system to output an LOS condition at its DS1
ports for LOSW and T1 LOS.
H2TU-R TLOS
Loopback TLOS ENA Enables a logic loopback at the H2TU-R when an LOS occurs at its DS1 input.
See
Figure 24 on page 39 for LOS/AIS response priorities.
DIS Disables TLOS logic loopback.