System Settings Screen Options; Loopback Menu; Elu-319 List 5E And List 6E System Settings Screen Options - ADC HiGain ELU-319 5E User Manual

150-319-205-05, Issue 5
S S
YSTEM ETTINGS
Table 15 describes the System Settings screen options and their counterpart codes for the front panel display.
Factory default settings are shown in bold.
Table 15. ELU-319 List 5E and List 6E System Settings Screen Options
Front Panel
System Settings
Display
Screen Options
Code
Power PWRF
BER Alarm BERT
Threshold
Loopback Timeout LBTO
Alarm ALM
Margin Alarm MARG
Threshold
L M
OOPBACK ENU
The Loopback Menu permits you to issue loopbacks to the HiGain system. There are four possible Loopback
Menus:
• Loopback Menu: No doubler
• Loopback Menu: One doubler
• Loopback Menu: Two doublers
• Loopback Menu: Three doublers
In all instances, press
shows an example of a Loopback Menu when no doublers are present;
doublers are present.
ELU-319 List 5E and List 6E
S O
CREEN PTIONS
Selection Description
DIS Disables powering to the HDSL pair.
LOW Keeps the HDSL line voltage at -140 V maximum for all applications.
AUTO Allows the HDSL line voltage to automatically switch between -140 V
maximum for non-doubler applications and ±112 V for doubler applications.
HIGH Forces the HDSL line voltage to ±112 V for all applications.
1E-6 Activates (closes) the SmartJack alarm relay contacts on pins 20 and 21 and
flashes the red STATUS LED when the BER exceeds 10
1E-7 Activates (closes) the system alarm relay contacts on pins 20 and 21 and
flashes the red STATUS LED when 10
NONE Prevents generation of a system alarm due to BER.
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.
DIS Opens the system alarm relay contacts if closed, and disables activation of the
system alarm relay when a system alarm condition occurs.
ENA Enables activation of the system alarm relay when a system alarm condition
occurs.
0 to 15 dB The Margin Alarm Threshold can only be set via the RS-232 craft port with a
terminal. It determines the minimum allowable margin below which a system
alarm can occur. Zero disables the alarm.
4dB Default value
from the Maintenance Terminal Main Menu to display the Loopback Menu.
D
January 26, 2000
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.
-6 -7
> BER >10 .
Figure 14 shows an example when three
Maintenance
Figure 13
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