IBM BNT RackSwitch G8124, Installation Manual

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Table 3. RJ-45 connector pin assignments (continued)
Pin number Signal Description
4 BI DB- Bi-directional data pair B
negative
5 BI DC+ Bi-directional data pair C
negative
6 BI DC- Bi-directional data pair C
negative
7 BI DD+ Bi-directional data pair D
negative
8 BI DD- Bi-directional data pair D
negative
Console port
The RS-232 (mini-USB) serial console port is located on the right-side of the front
panel. An external cable is required to convert to a D9 connector. The following
table describes the pinouts for the mini-USB port.
Table 4. Console port pin assignments
Pin number Function
Pin 1 No connect
Pin 2 RS232-SIN
Pin 3 RS232_SOUT
Pin 4 No connect
Pin 5 Ground
The following table describes the wiring of the console cable.
Table 5. Console cable pin assignments
D9 pin number Wire Mini-USB pin number
2 Black 3
3 White 2
5 Green 5
1 D9 pins 1, 4, 6 are connected
4
6
7 D9 pin 7 is connected to D9 pin 8
8
Shell Braid Shell
Switch LEDs
Two LED stacks provide system status and port link status. The following illustration
shows the system LEDs. The system LEDs are described in the following table.
Chapter 1. Introduction
9