Echelon DM-21 Device Manager Manual do Utilizador descarregar pdf (Página 42)

4-2 Device Manager Hardware Description and Installation

The DM-20 Device Manager Hardware Interfaces

Mechanical

Figure 4.1 shows a DM-20 module mounted onto a motherboard PCB (all

dimensions are in inches):

2.30

1.825

3.20

1.65

4.0

0.751.0

Keep-Out Volume (4 x 4 x 1 inches)

DM-20 PCB

0.75 inch Standoffs (4 places)

Top View of Motherboard 2x7 Connector

and Standoff Positions (as seen looking down on the DM-

20 when mounted on its Motherboard)

Side View of DM-20 PCB Mounted

Onto Motherboard With Standoffs

Motherboard

Chassis Ground

Service Switch

Figure 4.1 - DM-20 PCB Mounted onto Motherboard

The positions of the standoffs and 2x7 motherboard connector are shown in the

top portion of the previous figure (as seen when looking down on the DM-20 when

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Echelon DM-21 Device Manager Manual do Utilizador Página 42