IBM BNT RackSwitch G8124R, Installation Manual

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Introduction
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13
10/100/1000Base-T Ports
Two 10/100/1000BaseT ports (RJ-45) are located on the front panel. These management ports
support in-line management and Control Plane Stacking.
The following table describes the RJ-45 connector pin assignments.
Table 1 RJ-45 Port pin assignments
Pin number Signal Description
1 BI DA+ Bi-directional data pair A positive
2 BI DA- Bi-directional data pair A negative
3 BI DB+ Bi-directional data pair B positive
4 BI DC+ Bi-directional data pair C positive
5 BI DC- Bi-directional data pair C negative
6 BI DB- Bi-directional data pair B negative
7 BI DD+ Bi-directional data pair D positive
8 BI DD- Bi-directional data pair D negative