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V
ERIFICATION
Once installed, verify that the H2TU-R is operating properly by monitoring the Status
LEDs on the front panel.
LED/Status
DSL
Solid green Normal operation: the HDSL2 span is synchronized.
Flashing red once per second HDSL2 loop is attempting synchronization.
ALM
Solid yellow LLOS is present at the H2TU-C.
DS1
Solid green Normal operation: the DS1 signal at the H2TU-R is error free.
ESF/SF
Solid yellow ESF frame formatting is present at the H2TU-R.
Flashing yellow once per second ESF frame formatting and frame error/CRC are present at the H2TU-R.
Solid green SF frame formatting is present at the H2TU-R.
Flashing green once per second SF frame formatting and frame error are present at the H2TU-R.
B8ZS/AMI
Solid yellow B8ZS line code is present at the H2TU-R.
Flashing yellow once per second B8ZS and excess zeros string are present at the H2TU-R.
Solid green AMI line code is present at the H2TU-R.
Flashing green once per second AMI and BPV are present at the H2TU-R.
LLB/RLB
Solid yellow H2TU-C is in either NLOC or CREM (RLB).
Solid green H2TU-R is in either NREM or CLOC (LLB).
L
OGGING ON TO THE
The H2TU-R supports local and remote logon through a maintenance terminal (ASCII
terminal or a PC running terminal emulation software) connected to the craft port on the
H2TU-R front panel.
Logging on creates menus and screens for the H2TU-R that are replications of those viewed
at the H2TU-C. Once logged on, you can view system settings and inventory, initiate
loopbacks, monitor performance, and configure the circuit.
Monitor
Performance
ID: xxxx--xxxx--xxxx--xxxx
Table 1. LED Status and Functions
Function
OFF No power is applied to the H2TU-R.
Solid red HBER, MARG, or PWR alarm is present at the H2TU-R.
OFF Normal operation: the DS-1 signal is present at both the H2TU-R and
H2TU-C.
Solid red RLOS is present at the H2TU-R.
Solid red RLOS, BPV, frame error, or CRC is detected at the H2TU-R.
OFF Unframed DS1 present at the H2TU-R, unit set as unframed, or no DS1 is
detected at the H2TU-R.
OFF H2TU-R is not ARMed or in loopback.
Event Log
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ADC DSL Systems, Inc.
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Voice:
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Fax
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01/24/2003 06:38:12
M
AIN
Config
Inventory
HiGain HDSL2
800.366.3891 ext 73223
:
714.730.2400
H2TU-C
M
ENU
Report
Rlogon
Help
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System: OK
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