ModemModule Developer’s Guide

MT3334SMI Placement

Figure 1-8 illustrates where to place the MT3334SMI on a typical Motherboard. It must be placed so that the analog end is near the phone jack.

0.035 [0.889] Drill with 0.060 [1.524] Pad

.0787 TYP

[2]

0.125 [3.175] Non-Plated

A to D Barrier

(Shown for Reference Only)

1.732

[44]

.750

[19.05]

.145

[3.683]

.945

[24.003]

E (Digital)

D (Power and GND)

D (Analog)

B or C

Note: The locking end of C should go in the Motherboard.

A

F

G

Note: The modem should be placed with the analog pins as close as possible to the line jack.

Figure 1-8: Placing the MT3334 SMI on a Typical Circuit Board

Key:

Qty

Ref

Name

Description

1

A

Reference

Generic Motherboard

1

B or C

Recommended

RICHO DLMSP-4-01 Support Post

1

C or B

Recommended

RICHO MSP-4-01 Support Post

2

D

Recommended

4-Pin 2mm SIP Socket (Thomas & Betts 42J2-04)

2

E

Recommended

10-Pin 2mm SIP Socket (Thomas & Betts 42J2-10)

1

F

Reference

Socket Modem Assembly

1

G

Reference

Line Jack

16

MT3334SMI

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Multi-Tech Systems manual MT3334SMI Placement, Key, Qty Name Description