ADTRAN Total Access 3000 Specifications download pdf (Page 41)

Appendix A, Front Panel DSX and MUX Mode Test Access - MUX Mode Test Access

61181310L2-5D A-5

MUX EQ, Tx to Network, Rx from the Network

The Tx of the BERT is connected to the EQ TX jack, and the Rx of the BERT is connected to the

RX EQ jack (Figure A-6). The Tx of the BERT is then substituted for the data that the T1-OR/

NIU sends to the Total Access Shelf MUX (network). The Rx of the BERT receives data directly

from the MUX (network). The

MON TX and RX jacks are 432 ohm impedance copies of the EQ

jack

TX and RX. This test is intrusive. From the Test screen, ensure that the equipment jack is

in the To Network mode. In the To Network mode, AIS (unframed all 1’s) is sent in the

customer direction.

Figure A-6. MUX EQ, Tx to Network, Rx from Network

DSL

DSX/DS1

ALM

B8ZS/ALM

(YEL) (GRN)

ESF/ SF

(YEL) (GRN)

LBK

T1 BERT

From DSX

To DSX

From CUST

To CUST

From MUX

To MUX

432 Ω

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ADTRAN Total Access 3000 Specifications Page 41