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The QSFP+ connectors on supported breakout DACs are labelled A, B, C, and D,
which correspond to the first, second, third, and fourth ports in the port range.
For the available QSFP+ transceivers and DACs for the switch, see
https://www-01.ibm.com/products/hardware/configurator/americas/bhui/launchNI.wss.
RJ-45 management port
The 10/100/1000BASE-T management port (RJ-45) is 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 2. RJ-45 Port pin assignments
Pin number
Signal
1
BI DA+
2
BI DA-
3
BI DB+
4
BI DC+
5
BI DC-
6
BI DB-
7
BI DD+
8
BI DD-
Console port
The RS-232 (mini-USB) serial console port is located on the front panel. The
following table describes the pinouts for the mini-USB port.
Table 3. Console port pin assignments
Pin number
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
The console cable provides an RJ-45 connector. A retention clip is available to
secure the console connection.
The following table describes the pin assignments for the RJ-45 connector on the
console cable.
Table 4. RJ-45 connector pin assignments
Pin number
1
2
3
4
5
Description
Bi-directional data pair A positive
Bi-directional data pair A negative
Bi-directional data pair B positive
Bi-directional data pair C positive
Bi-directional data pair C negative
Bi-directional data pair B negative
Bi-directional data pair D positive
Bi-directional data pair D negative
Function
No connect
RS232-SIN
RS232_SOUT
No connect
Ground
Function
RTS (Request To Send)
DTR (Data Terminal Ready
TxD (Transmit Data)
GND (Ground)
GND (Ground)
Chapter 1. Introduction
7
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