Seagate ST3390N Guía de instalación descargar pdf (Pagina 94)

100

101

8-6 Configuring the backplane and inspecting the printed circuit packs

Setting the backplane switches in a shadowed system

Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999

Setting the backplane switches

in a shadowed system

Setting the backplane

switches (shadowed

system)

To set the backplane switches in a shadowed system, follow

these steps.

Module references for a shadowed system

Interpret references to modules MM0, MM1, and MM2 as

follows:

• The module that contains Meridian Mail node 1 is module

MM0. MM0 also contains node 2 in a multinode system.

• The module that contains Meridian Mail node 3 (and 4) is

module MM1.

• The module that contains Meridiain Mail node 5 is MM2.

Step Action

1 To access the backplane, remove the I/O cover by turning each

of the four securing screws approximately one half turn.

2 Set backplane switches SW1 and SW3 to the off position.

3 Set backplane switches SW2 and SW4 to the on position.

4 Set SW5 for each module according to the module number,

as shown in the following table.

CAUTION

Risk of equipment damage

You must install the address

shroud jumper and the EVB

terminator very carefully to avoid

damage to the backplane pins.

Module

number

SW5 settings

1 2 3 4

MM0 1111

MM1 0111

MM2 1011

1 2 ... 89 90 91 92 93 94 95 96 97 98 99 ... 467 468

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Seagate ST3390N Guía de instalación Pagina 94

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