INSTALLATION

MicroMMAC-24T

TOKEN RING HUB WITH LANVIEW®

SUPPORTING 100 OHM STP CABLE

4 Mb

16 Mb

 

 

SPEED

 

4 Mb

16 Mb

Ring Speed LED Indicator

On = 16 Mbps

SPEED

Off = 4 Mbps

 

Figure 3-7. The Ring Speed Switch

3.7 SETTING THE NVRAM SWITCH

Figure 3-8 shows the location of the NVRAM Reset Switch. It can be reached by a inserting a small screwdriver through the side vent. NVRAM (Non-Volatile Random Access Memory) stores user-entered parameters such as IP address and device name.

MicroMMAC-24T

TOKEN RING

HUB

 

SUPPORTING 100

 

WITH

 

OHM STP

 

 

 

CABLELANVIEW®

NVRAM

RESET SWITCH

IN HERE

Figure 3-8. NVRAM Reset Switch Location

To restore MicroMMAC-T parameters to the factory defaults:

1.With power-ON, toggle the NVRAM switch from one position to the other.

3-7

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Cabletron Systems MICROMMAC-22T, 42T Setting the Nvram Switch, To restore MicroMMAC-T parameters to the factory defaults