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DSX-3
DSX-3
D
D
S
S
LIU
LIU
Remote Loopback
A R
multiplexer. If an MX2800 is located at the far end, a L
L
OOPBACK
loopback is only available when the DS3 is configured for C-bit
parity framing since it requires the availability of the FEAC channel
(see ANSI T1.107).
Remote all T1/E1
A R
channels on the far-end M13 multiplexer. If an MX2800 is located at
the far end, an A
active channels simultaneously. This loopback is only available
when the DS3 is configured for C-bit parity framing since it
requires the availability of the FEAC channel (see ANSI T1.107).
DS2 LOOPBACKS
After you select the number that corresponds with the DS2 you
want to test, the menu in Figure 6-12 appears. The section following
the figure provides a description and an illustration of the DS2
N
end a test in progress.
61200290L1-1
F
F
M12/G.747
M12/G.747
R
R
D
D
A
A
MUX/DMUX
MUX/DMUX
S
S
F
F
M
M
2
2
R
R
E
E
M23
M23
A
A
R
R
M
M
MUX/DMUX
MUX/DMUX
3
3
E
E
R
R
Figure 6-11. Metallic Diagnostics Loopback Test
L
EMOTE
OOPBACK
is executed when a R
A
T1/E1 loopback performs a loopback of all T1/E1
EMOTE
LL
NALOG
loopback testing option. Select 1=DS2 #
ETWORK
MX2800 User Manual
CODEC
CODEC
(1 of 28)
(1 of 28)
(1 of 7)
(1 of 7)
CODEC
CODEC
(28 of 28)
(28 of 28)
performs a loopback on the far-end M13
L
EMOTE
OOPBACK
D
loopback is executed on all
IAGNOSTIC
Chapter 6. Diagnostics
T1/E1 LIU
T1/E1 LIU
(1 of 28)
(1 of 28)
T1/E1 LIU
T1/E1 LIU
(28 of 28)
(28 of 28)
INE
is engaged. This
D
M
to
X
ATA
ODE
6-9
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