Subscriber Drop Testing
109
ISDN Loopback Menu
ISDN loop backs can be initiated as:
•
inband loopback codes from the maintenance center upon the ISDN D-channel.
•
or as a central office technician command via the ISDN Loopback Menu.
To initiate a loop back on an ISDN line:
1
Select ISDN Loopback from the Maintenance Menu.
2
Select
from the ISDN Loopback Menu.
3
Select the card and channel to be tested.
4
Select the Loopback type desired. In most instances, a loopback of the B1 or B2 channels
towards the office (DSL) or customer (DC) is sufficient to verify operation of the ISDN circuit.
To release Loopback on an ISDN line:
1
Select “Change Loopback Mode” from the ISDN Loopback Menu.
2
Select the card and channel of the ISDN card to be released from the loopback test.
3
Select “Set Normal” from the loopback mode menu.
C
29-JUN-97 PAIRGAIN TECHNOLOGIES INC., PG-FLEX TERMINAL 00:20:36
SYSTEM ID: PG-Flex 24 Channel System SYSTEM: 1
ISDN LOOPBACK MENU
------------------------------------------------------------------------------
COT LOOPBACK MAP CARD:1
------------------------------------------------------------------------------
LOOPBACK CH1 CH2 CH3 CH4
------------------------------------------------------------------------------
B1 DSL normal normal normal normal
B2 DSL normal normal normal normal
2B+D DSL normal normal normal normal
B1 DC normal normal normal normal
B2 DC normal normal normal normal
2B+D DC normal normal normal normal
P)revious Card or N)ext Card
S)witch between COT or RT Loopback
C)hange Loopback Mode
CTRL-X) Main Menu e(X)it
[COT] ENTER COMMAND> s
Содержание PG-Flex
Страница 10: ...PG Flex System Overview 2 Figure 1 Typical PG Flex Configuration 23 Shelf shown ...
Страница 24: ...PG Flex System Overview 16 ...
Страница 44: ...Installing PG Flex System Hardware 36 Figure 16 Line Unit and Channel Unit Installation Locations ...
Страница 52: ...Installing PG Flex System Hardware 44 Figure 21 Connecting the Metallic Bypass Pair ...
Страница 62: ...Installing PG Flex System Hardware 54 ...
Страница 66: ...Terminal Management 58 Figure 28 Connecting an ASCII Terminal to a Line Unit ...
Страница 104: ...Performance Monitoring 96 ...
Страница 120: ...Troubleshooting 112 ...
Страница 158: ...Screen Menus and Definitions A 36 ...
Страница 162: ...Acronyms and Glossary Glossary 4 ...
Страница 167: ......
Страница 168: ......