ADTRAN HTU-C M Switch User Manual


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1Section 61245001L2-13, Issue 161245.001L2-13A
1WS
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3-1WStceleSemarFlaunaM
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FSE
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R-UTH
noitcnuFnoitpircseD
MERkcabpooLetomeRC-C M
is not
in loopback UTHehtfI ssing REM
activates
theerp,
k towards the customer. If the HTU-C M
is
in loopback,
cabpool
COLkcabpooLlacoLR-UTHehtfI
tonsi
MERgnisserp,kcabpoolni
setavitca
eht
k towards the customer. If the HTU-R
is
in loopback,cabpool
pressing REM
deactivates
the loopback.
pressing REM
deactivates
the loopback.
Please ensure you are properly grounded before setting any function switches.
HDSL Quick Start Guide
5th Gen HTU-C M, P/N 1245001L2
5th Gen HTU-R, P/N 1245021L1
PRACTICES
Switch Option Settings
(arrows indicate default settings)
HTU-C M
The HTU-C M transfers the local configuration to the HTU-R when circuit synchronization is
achieved. The HTU-R then sets its configuration to match the HTU-C M.
Rotary Switch
Used to select operation of the line build-out equalizer in series with the DSX-1 output.
1
If external line build-out is selected, the signal transmitted by the HTU-C M is a 12V p-p signal. This must be
considered when measuring the signal at the DSX EQ faceplate Bantam jack. The signal may appear hotter
than it should be.
2
Loopback timeout must be selected prior to initiating a loopback.
3
60 and 120 minutes is selectable from the craft interface.
noitcnuFnoitpircseD
TXE
0
331
662
993
335
tuo-dliubenillanretxestceleS
1
elbacMABAfoteef331-0morfhtgneleniL
elbacMABAfoteef662-331morfhtgneleniL
elbacMABAfoteef993-662morfhtgneleniL
elbacMABAfoteef335-993morfhtgneleniL
elbacMABAfoteef556-335morfhtgneleniL
HTU-R
1245021L2
LP1
LP2
DS1
ALM
SF
AMI
LBK
ESF
B8ZS
MON
L
O
C
R
E
M
LBK
TX
RX
(GRN)
(GRN)
(YEL)
(YEL)
HTU-C
1245001L2
TX
RX
LP1
LP2
DS1
ALM
LBK
R
S
2
3
2
B8ZS
FRM
ESF
NIU LB DIS
LBK TIMEOUT DIS
AMI
UFRM
SF
EN
EN
E
Q
DSX-1
LBO
533
399
266
133
0
EXT
Line Build-Out
Rotary Switch
SW1
H
D
S
L