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G.SHDSL NTU User Manual V0.03
52
3.7.1
Loopback Test
Note : No SYSTEM DIAGNOSTIC menu on Ethernet Interface Model
For E1 Interface model as CO side, there have: local digital, local, remote line, remote payload, farend line and
farend payload.
For Serial Interface model as CO side, there have: Local digital, local, remote line, remote payload, farend line,
farend payload and V.54.
For E1 Interface model as CPE side, there have: local digital, remote line, remote payload, farend line and farend
payload.
For Serial Interface model as CPE side, there have: Local digital, remote line, remote payload, farend line, farend
payload and V.54.
If the device haven’t connect or under handshake, there will not have farend line, farend payload and V.54.
Definition of
V.54
An ITU standard (1976) for various loopback tests that can be incorporated into modems for testing the telephone
circuit and isolating transmission problems.
Operating modes include local and remote digital loopback and local and remote analog loopback.
Содержание G.SHDSL NTU
Страница 1: ...G SHDSL NTU User Manual Version 0 03...
Страница 9: ...G SHDSL NTU User Manual V0 03 8 1 4 Applications...
Страница 18: ...G SHDSL NTU User Manual V0 03 17 2 3 1 For E1 Interface AC power input version DC power input version...
Страница 19: ...G SHDSL NTU User Manual V0 03 18 2 3 2 For Serial Interface AC power input version DC power input version...
Страница 20: ...G SHDSL NTU User Manual V0 03 19 2 3 3 For Ethernet Interface AC power input version DC power input version...
Страница 30: ...G SHDSL NTU User Manual V0 03 29 E1 Interface...
Страница 36: ...G SHDSL NTU User Manual V0 03 35 3 5 1 Sub Menu tree for SETUP E1 Interface SYSTEM SETUP SETUP E1 SETUP E1...
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Страница 116: ...G SHDSL NTU User Manual V0 03 115 For Ethernet interface model For E1 and Serial interface model...
Страница 117: ...G SHDSL NTU User Manual V0 03 116 For E1 and Ethernet interface model...
Страница 119: ...G SHDSL NTU User Manual V0 03 118 For Serial interface model For Ethernet interface model...
Страница 120: ...G SHDSL NTU User Manual V0 03 119 For E1 and Serial interface model For E1 and Ethernet interface model...
Страница 137: ...G SHDSL NTU User Manual V0 03 136 The front view of DB 25 F Serial interface connector on rear panel...