Chapter 4

LANVIEW LEDs

The front panel LANVIEW LEDs indicate the status of the module and may be used as an aid in troubleshooting. Shown in Figure 4-1are the LANVIEW LEDs of the 9E428-12 module. The LEDs positions and functions are the same for the 9E428-36 and the 9E429-12/36 modules.

INB Receive

Port

Receive

10 BASE-T

9E428-12

SMB

CPU

FNB

 

 

RX

System Status

INB Transmit

Port

TX

Transmit

RX

 

TX

Figure 4-1. The LANVIEW LEDs

The functions of the two System Status LEDs, System Management Bus (SMB) and CPU (Central Processing Unit), are listed in Table 4-1.

Table 4-1. System Status (SMB and CPU) LEDs

LED Color

State

Description

 

 

 

Green

Functional

Fully operational

 

 

 

Yellow

Testing

Power up testing

 

 

 

Yellow (Blinking)

Crippled

Not fully operational (i.e. one port may be bad)

 

 

 

4-1

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Cabletron Systems 12 manual Lanview LEDs

12 specifications

Cabletron Systems 12, widely regarded for its impact on networking technology in the late '80s and early '90s, has become a pivotal part of the history of data communications. This product marked a significant leap forward in the area of local area networking (LAN), blending reliability with advanced capabilities tailored for varied business needs.

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