Mux mode test access, Mux mon, tx to customer, Figure c-3 – ADTRAN HDSL2 User Manual
Page 85: D modes of operation, and, Figure c-4
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HDSL2 for General Distribution Installation and Maintenance Practice
MUX Mode Test Access
61223HDSL2L2-5B
C-3
Figure C-3. DSX EQ, Tx to Customer, Rx from Customer
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 (
). This data is a copy of
the data that the H2TU-C will transmit to the customer. The Tx of the BERT is not used. This
test is non-intrusive.
Figure C-4. MUX MON, Tx to Customer
TX
DSX
EQ
RX
TX
DSX
MON
RX
From CUST
To CUST
From MUX
To MUX
TX
RX
T1 BERT
From DSX
To DSX
432 Ω
432 Ω
TX
DSX
EQ
RX
TX
DSX
MON
RX
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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