ADC Kentrox ISDN NT1 1010 Spezifikationen Seite 326

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Seitenansicht 325
7-14
Reference Guide
Model No.
Running Head
WAN Module Descriptions WAN Card
Figure 7-21. E1 Interface Adapter Panel
For 120-ohm balanced E1 operation, set the jumpers on the adapter panel as shown.
Both
DSX/CEPT Modules should be set for balanced operation prior to installation.
For 75-ohm unbalanced E1, set the adapter panel jumpers to UNBAL
in one location only
,
and set them to BAL in all other cases. When multiple DSX/CEPT modules with jumpers are
installed, the unbalanced jumper should be set on the module closest to the E1 line.
When the adapter panel is present, it is considered the unit closest to the E1 line. The
corresponding jumpers on the rear of the panel are set to UNBAL while all other module
jumpers are set to BAL.
MODEL 1183
W1-1
RX
TX
W2-1
RX
TX
W3-1
RX
TX
W4-1
RX
TX
W1-2
TX
RX
W2-2
TX
RX
W3-2
TX
RX
W4-2
TX
RX
RX
UNBAL
BAL
RX
UNBAL BAL
Options on the Rear
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