ADC HiGain HDSL2 Quick Installation Manual page 6

To log on using a maintenance terminal:
CTRL
1 Press
2 Press the first letter of the desired menu. Use the
selections, and press
R
3 Press to log off.
Type the first letter
M
onitor
P
erformance
E
vent log
C
onfig
I
nventory
R
logon
H
elp
For more information about the HiGain HDSL2 maintenance screens,
refer to the technical practice for the H2TU-C line unit. Contact
Customer Service to obtain a copy.
L
OOPBACK
Initiate loopbacks with the H2TU-R-402 LBK button, the H2TU-C front-panel display, the
maintenance terminal monitor screen, or with inband codes. The inband codes shown
below can be sent by a test set. For more information, refer to the technical practice for the
H2TU-C line unit.
Network
Loopback Inband Code
NLOC 1111000
NREM 1110000
SMJK 11000
CREM 1111110
CLOC 1111100
Loopdown 11100
R
+ to refresh the Logon screen, if necessary.
ENTER
To view:
A graphical representation of circuit activity and devices.
Performance history statistics (current, 25-hour, 48-hour, 31-day, blockage
indicator) at DS1 and HDSL interfaces. Also, displays alarm status and count.
Sectionalized Event History for alarms and errors at all four legs of the DS1 signal at
the H2TU-R.
Configuration options (standard, ADC, signal generation, date and time,
master clear, factory defaults).
Product information, circuit and unit identifications.
Maintenance terminal screens at the H2TU-C.
Glossary, screen navigation keys, ADC contact information.
T
ESTING
H2TU-C
1111110
NLOC CREM
1111000
* When enabled, TLOS is an automatic loopback that
occurs with a LOS at the remote DS1 input.
GNLB Loopback Commands
Description
DSX-1 signal is looped back to the network at the H2TU-C.
DSX-1 signal is looped back to the network at the H2TU-R.
DSX-1 signal is looped back to the network at the H2TU-R SmartJack
module.
Signal from customer is looped back to the customer at the H2TU-C.
Signal from customer is looped back to the customer at the H2TU-R.
Deactivates any of the above loopbacks.
to change a setting or display a menu.
H2TU-R
TLOS*
NREM
1110000
11000
SMJK
SPACEBAR
to cycle through menu
DS1
CLOC
1111100
Customer
Premises