Cabletron Systems 510 Manual De Usuario

Product Introduction

1-5

The following sections describe the front and back panel components for the 
SSR-510 or SSR-520 routers.

Table 1-1 describes the front panel components, including LEDs, that are 
illustrated in Figure 1-1. 

For problem-solving information using the LEDs, refer to Appendix A.

Power LED

Lights when the router has power.

Module OK LED

Lights when the router passes self-
test.

Network OK LED

Indicates network connection or port 
state.

Network Activity 
LED 

Indicates network traffic connection. 
Blinks faster as traffic becomes 
heavier.

Port 1 Serial Line 
OK LED

Indicates self-test pass or failure.

Port 1 Serial Line 
Activity Indicator

Indicates operation mode on port 1.

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