
Quad DS-1 with xDSL
11-12 Verilink AS4000 User Manual
Loopback Mode
Use the Loopback Mode Menu to put up and take down loopbacks.
The network type loopbacks (beginning with "N") face the DSL
network lines. The customer loopbacks (with names beginning with
"C") face the AS4000 midplane. HLU designates a local HDSL unit
loopback, while HRU designates remote loopback types.
Figure 11-10 Loopback Mode
L
L L
LOOPBA
OOPBAOOPBA
OOPBAC
CC
CK MEN
K MENK MEN
K MENU
UU
U
TIME:
TIME: TIME:
TIME: 20:15:
20:15:20:15:
20:15:20
2020
20
DATE:
DATE: DATE:
DATE: 08/16/
08/16/08/16/
08/16/99
9999
99
CIRCU
CIRCUCIRCU
CIRCUI
II
IT ID#
T ID#T ID#
T ID#:
: :
: 55RE
55RE55RE
55RES
SS
SS7549
S7549S7549
S75499
99
981
8181
81
A. DI
A. DI A. DI
A. DIS
SS
SABLE
ABLE ABLE
ABLE L
LL
LOOPBA
OOPBAOOPBA
OOPBAC
CC
CKS
KSKS
KS
B. NE
B. NE B. NE
B. NET
TT
TWORK
WORK WORK
WORK L
LL
LOOP H
OOP HOOP H
OOP HL
LL
LU
U U
U (NLOC
(NLOC (NLOC
(NLOC)
))
)
C. NE
C. NE C. NE
C. NET
TT
TWORK
WORK WORK
WORK L
LL
LOOP H
OOP HOOP H
OOP HR
RR
RU
U U
U (NREM
(NREM (NREM
(NREM)
))
)
G. CU
G. CU G. CU
G. CUS
SS
STOMER
TOMER TOMER
TOMER LOOP
LOOP LOOP
LOOP H
HH
HLU
LU LU
LU (CREM
(CREM (CREM
(CREM)
))
)
H. CU
H. CU H. CU
H. CUS
SS
STOMER
TOMER TOMER
TOMER LOOP
LOOP LOOP
LOOP H
HH
HRU
RU RU
RU (CLOC
(CLOC (CLOC
(CLOC)
))
)
(
( (
(E
EE
E)xit
)xit)xit
)xit
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