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ADTRAN Total Access 3000 Specifications Page 40

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Total Access 3000/3010 T1-OR/NIU Installation and Maintenance Practice
A-4 61181310L2-5D
MUX MODE TEST ACCESS
MUX Mode tests through a MUX on the Total Access 3000 shelf.
MUX MON, Tx to Customer
The Rx of the BERT receives data from the TX MON EQ jack (Figure A-4). This data is a copy of
the data that the T1-OR/NIU will transmit to the customer. The Tx of the BERT is not used.
This test is non-intrusive.
Figure A-4. MUX MON, Tx to Customer
MUX MON, Rx from Customer
The Rx of the BERT receives data from the RX MON jack (Figure A-5). This data is 432 ohm
copy of the data that the T1-OR/NIU will receive from the customer and route to the Total
Access shelf MUX (network). The Tx of the BERT is not used. This test is non-intrusive.
Figure A-5. MUX MON, Rx from Customer
TX
E
Q
RX
TX
M
O
N
RX
DSL
DSX/DS1
ALM
B8ZS/ALM
(YEL) (GRN)
ESF/ SF
(YEL) (GRN)
LBK
X
From DSX
To DSX
From CUST
To CUST
From MUX
To MUX
TX
RX
T1 BERT
432 Ω
432 Ω
TX
E
Q
RX
TX
M
O
N
RX
DSL
DSX/DS1
ALM
B8ZS/ALM
(YEL) (GRN)
ESF/ SF
(YEL) (GRN)
LBK
X
From DSX
To DSX
From CUST
To CUST
From MUX
To MUX
TX
RX
T1 BERT
432 Ω
432 Ω
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